Physics - Class XI Resources

The following list of online resources are provided as a sample of curated resources. New resources shall be added as we come across interesting and relevant online materials.

1. Rest And Motion, Position And Path Length Of An Object

Description: Explanation of rest, motion, position, and path length of an object. 

Core Concepts: Rest, motion, and position. 

Link: Simulation on two cars moving in one dimension

2. Rest And Motion, Position And Path Length Of An Object

Description: Explanation on concept of rest and motion, position and path length.

Core Concepts: Rest and motion. 

Link: Video on concept of rest and motion with examples

3. Position, velocity and acceleration

Description: Explanations on position, velocity and acceleration.

Core Concepts: Position, velocity and acceleration.

Link: Video on position, velocity, and acceleration Part 1

4. Graphical analysis of velocity and acceleration

Description: Explanation on graphical analysis of displacement-time relation and velocity-time relation.

Core Concepts: Instantaneous Velocity: displacement-time relation and velocity-time relation.

Link: Video on position, velocity, and acceleration Part 2: Graphical Analysis

5. Kinematic Equations of Motion

Description: Explanation on derivation of kinematic equations.

Core Concepts: Kinematic equations: Equations of motion.

Link: Video on derivation of kinematic equations

6. Addition and subtraction of vectors

Description: Explanation on process to determine the magnitude and direction of the resultant vector.

Core Concepts: Vectors: magnitude and direction of the resultant vector.

Link: Simulation on addition and subtraction of vectors

7. Addition and subtraction of vectors

Description: Tutorial for the interactive simulation of vector addition.

Core Concepts: Vector addition.

Link: Video on  addition and subtraction using simulation

8. Projectile motion

Description: Explanation of projectile motion.

Core Concepts: Projectile motion.

Link: Simulation on projectile motion

9. Newton’s First Law of Motion

Description: Explanation based on Newton’s First Law of Motion.

Core Concepts: Newton’s Laws of Motion: First.

Link: Video on Newton's first law of motion

10. Newton’s Second Law of Motion

Description: Explanation of Newton’s Second law of motion.

Core Concepts: Newton’s laws of motion: Second law. 

Link: Video on Newton's second law of motion

11. Newton’s Third Law of Motion

Description: Explanation of Newton’s Third law of motion.

Core Concepts: Newton’s Laws of Motion: Third law. 

Link: Video on Newton's third law of motion

12. Conservation of momentum

Description:  Concept of conservation of momentum deduce though simulation.

Core Concepts: Conservation of momentum.

Link: Simulation on elastic and inelastic collisions

13. To calculate the momentum

Description: The online apps help in calculating the momentum.

Core Concepts: Conservation of Momentum: Online calculation.

Link: Website on conservation of momentum calculator

14. Rotational motion

Description: Explanation on the concept of rotational motion and centripetal acceleration.

Core Concepts: Circular motion: Rotational motion and centripetal acceleration.

Link: Video on rotational motion and centripetal acceleration in the lab

15. Centripetal Force Apparatus

Description: Demonstration of circular motion using centripetal force apparatus.

Core Concepts: Circular motion: Centripetal force apparatus.

Link: Video on centripetal force apparatus

16. Demonstration of Circular motion 

Description: Demonstration of circular motion using centripetal force apparatus. 

Core Concepts: Circular motion: Centripetal force apparatus.

Link: Video on centripetal force lab basic instructions

17. Hooke’s law

Description: Explanation to verify Hooke’s law law through simulation.

Core Concepts: Elastic behavior of solids: Hooke’s law.

Link: Simulation on Hooke's law

18. Elastic behaviour of solids

Description: Explanation of elastic behaviour of solids and types of stress and strain.

Core Concepts: Elastic behavior of solids: elastic behaviour of solids and types of stress and strain.

Link: Video on mechanical properties of solids-elastic behaviour of solids

19. Types of stress and strain

Description: Explanation of elastic behaviour of solids and types of stress and strain.

Core Concepts: Elastic behavior of solids: Stress and strain.

Link: Video on mechanical properties of solids | stress, strain and Hooke's law

20. Stress and strain curve, and work done by the spring force

Description: Explanation on stress and strain curve, and work done by the spring force.

Core Concepts: Elastic behavior of solids: Stress and strain curve, and work done by a spring force.

Link: Video on stress strain curve

21. Tensile test

Description: Explanation on how to calculate the strength of steel.

Core Concepts: Elastic behavior of solids: Tensile test.

Link: Video on calculation of Young's modulus

22. Young Modulus of wire

Description: Determination of the value of Young’s modulus of wires.

Core Concepts: Elastic behavior of solids: Young’s modulus of wires.

Link: Online lab on calculation of Young's modulus

23. Gravitational force

Description: Explanations of  gravitational force.

Core Concepts: Work: Gravitational force.

Link: Video on  work done by gravitational force 

24. Potential energy due to gravity

Description: Determination of potential energy due to gravity.

Core Concepts: Work: Potential energy due to gravity.

Link: Online lab to determine the potential energy due to gravity

25. Conservation of mechanical energy

Description: Explanation on conservation of mechanical energy.

Core Concepts: Conservation of mechanical energy.

Link: Online lab on conservation of mechanical energy

26. Kinetic energy and potential energy

Description: Explanation on kinetic energy and potential energy with its numerical question.

Core Concepts: Conservation of mechanical energy: Potential energy and potential energy.

Link: Video on kinetic energy and potential energy

27. Conservation of Energy

Description: Explanation of conservation of energy.

Core Concepts: Conservation of energy.

Link: Video on conservation of energy

28. First law of thermodynamics

Description: Explanation to prove the first law of thermodynamic through simulation.

Core Concepts: Heat, Internal Energy and Work : First Law of Thermodynamic.

Link: Simulation on balloon and buoyancy

29. Magnetic field around the wire

Description: Explanation  of magnetic field around the current carrying conductor.

Core Concepts: Magnetic force and field: Magnetic field around the wire.

Link: Simulation on magnetic field around a wire

30. Magnetic force and magnetic field

Description: Explanation of magnetic force and magnetic field.

Core Concepts: Magnetic force and field.

Link: Video on magnetic force and magnetic field

31. Magnetic field around the current carrying wire

Description: Explanation about magnetic field established around the current carrying conductor.

Core Concepts: Magnetic force and field: magnetic field due to a long straight current carrying conductor.

Link: Video on magnetic field on a current carrying wire

32. Lorentz force

Description: Explanation about  Lorentz force.

Core Concepts: Magnetic force and field: Lorentz force.

Link: Video on the Lorentz force

33. Magnetic flux

Description: Description of magnetic flux based on the different orientation of the surfaces.

Core Concepts: Magnetic flux.

Link: Video on magnetic flux

34. Helical motion of charged particles

Description: Explanation on helical motion of charged particles in a uniform magnetic field.

Core Concepts: Motion of a charged particle in a uniform magnetic field.

Link: Simulation on charged particle in a magnetic field 3D

35. Resistor

Description: Verification of values of the resistance of the resistor using an apps. 

Core Concepts: Electrical resistance: Resistor.

Link: Website on resistor code calculator App

36. Combination of resistors

Description: Calculation of effective resistance by connecting the resistors in different ways.

Core Concepts: Series and Parallel combination of resistors.

Link: Simulation on circuit construction kit

37. Combination of resistors

Description: Calculation of effective resistance by connecting the resistors in different ways.

Core Concepts: Series and Parallel combination of resistors.

Link: Video parallel and series circuit

38. Snell’s Law

Description: description of  bending of the light when traveling through the different media.

Core Concepts: Snell's law.

Link: Simulation on bending light

39. Optical fibre

Description: Explanation on working of the optical fibre.

Core Concepts: Total Internal Reflection: Optical fibre.

Link: Video on optical fiber cables

40. Formation of rainbow

Description: Verification on formation of the rainbow.

Core Concepts: Total Internal Reflection: 2D Formation of rainbow.

Link: Simulation on rainbow formation

41. Formation of rainbow

Description: Verification on formation of the rainbow through 3D simulation.

Core Concepts: Total Internal Reflection: 3D Formation of rainbow.

Link: Simulation on rainbow formation in 3D

42. Longitudinal and transverse wave

Description: Introduction to longitudinal and transverse wave through simulation.

Core Concepts: Characteristics of transverse and longitudinal waves.

Link: Simulation on longitudinal and transverse wave

43. Longitudinal and transverse wave

Description: observation of the proportional relationships amongst variables (wavelength, frequency, velocity, displacement, amplitude, period).

Core Concepts: Characteristics of transverse and longitudinal waves.

Link: Simulation on wave on a string

44. Longitudinal and transverse wave

Description: Explanation on the concept of longitudinal and transverse wave.

Core Concepts: Characteristics of transverse and longitudinal waves.

Link: Video on transverse & longitudinal waves

45. Transverse wave model

Description: Explanation of critical attributes that describe displacement relations in a progressive waves.

Core Concepts: Progressive wave: Transverse wave model.

Link: Simulation on transverse wave model

46. Wave equation

Description: Description of  wave equation.

Core Concepts: Progressive wave: Wave equation.

Link: Video on wave equation

47. Introductory to the Electromagnetic waves

Description: Introduction on concept of the electromagnetic waves.

Core Concepts: Electromagnetic waves.

Link: Video on electromagnetic waves

48. Hertz’s Experiment

Description: Demonstrating on production of EM waves.

Core Concepts: Electromagnetic waves.

Link: Video on Hertz experiment on EM waves

49. Radio waves

Description: Transmission of radio waves using oscilloscopes, transmitters, and receivers to transfer information and uses of three different types of radio waves.

Core Concepts: Electromagnetic waves: Radio waves.

Link: Video on radio waves 

50. Radio waves

Description: Explanation about transmission of information using radio waves.

Core Concepts: Electromagnetic waves: Radio waves.

Link: Video on radio waves 

51. Mobile phone communication

Description: Explanation on working of mobile phones in transferring the information.

Core Concepts: Electromagnetic waves: Mobile phone communication.

Link: Video on working of mobile phone

52. Propagation of EM waves

Description: Explanation on EM waves radiated from the transmitter antenna and received by the receiver antenna.

Core Concepts: Propagation of electromagnetic waves.

Link: Video on PROPAGATION OF ELECTROMAGNETIC WAVES 01  

53. Propagation of EM waves

Description: Explanation of propagation of EM waves.

Core Concepts: Propagation of EM waves.

Link: Video on PROPAGATION OF ELECTROMAGNETIC WAVES 02  

54. Analogue Signal and Digital Signal

Description: Differences  between Analogue Signal and Digital Signal.

Core Concepts: Analogue Signal and Digital Signal.

Link: Video on analog vs digital

55. Analogue Signal and Digital Signal

Description: Comparison between Analogue Signal and Digital Signal.

Core Concepts: Analogue Signal and Digital Signal.

Link: Video on - waves - analogue and digital signals

56. sampling theorem

Description: Explanation on reconstruction of analogue signal.

Core Concepts: Analogue Signal and Digital Signal: Sampling theorem.

Link: Video on conversion of analog to digital conversion

57. EM waves: polarization

Description: Explanation on concept of polarization.

Core Concepts: Polarization of Electromagnetic Waves.

Link: Video on EM waves - Polarization

58. Polarization interactive Simulation

Description: Explanation of polarization showing polarizer and analyser.

Core Concepts: Polarization of Electromagnetic Waves.

Link: Simulation on polarization of light

59. Polarized light

Description: Simulation on Polarization : intensity vs position graph.

Core Concepts: Polarization of Electromagnetic Waves: Polarized light.

Link: Simulation on polarization of light: intensity vs position graph

60. Emission Spectra

Description: Explanation about light emitted by excited gas atom of particular element.

Core Concepts: Atomic Spectra: Emission.

Link: Simulation on emission spectra

61. Hydrogen Atom Spectra

Description: Explanation  about  energy level of the hydrogen atom.

Core Concepts: Atomic spectra: Hydrogen spectra.

Link: Simulation on energy levels of the hydrogen atom

62. Hydrogen Atom Energy Level

Description: Explanation on emission based on the transition level of the hydrogen atom.

Core Concepts: Atomic Spectra: Hydrogen atom energy level.

Link: Simulation on hydrogen atom: Energy levels

63. Simulation on Isotope

Description: Explanation about Isotopes: balanced and unbalanced atom.

Core Concepts: Radioactivity: Isotopes.

Link: Simulation on isotopes

64. Isotopes

Description: Introduction to the concept of Isotopes.

Core Concepts: Radioactivity: Isotopes.

Link: Video on isotopes

65. Radioactive Decay

Description: Demonstration of  Half Life Period of a Radioactive Substance.

Core Concepts: Radioactivity: Half life period.

Link: Simulation on Half Life Period of a Radioactive Substance

66. Radioactive Decay

Description:  Interactive games on explanation about Half Life Period of a Radioactive Substance.

Core Concepts: Radioactive decay.

Link: Simulation on radioactive dating game

67. Newton's Law of Universal Gravitation

Description: Explanation on Newton's Law of Universal Gravitation.

Core Concepts: Universal Law of Gravitation.

Link: Video on Newton's Law of Universal Gravitation

68. Newton's Law of Universal Gravitation

Description: Determination of mathematical relationship between mass and gravitational force in Universal Law of Gravitation.

Core Concepts: Universal Law of Gravitation.

Link: Simulation on Newton's law of universal gravitation

69. Gravitational field model

Description: Gravitational field model: simulates approaching mass graphically.

Core Concepts: Universal Law of Gravitation.

Link: Simulation on approaching mass graphically

70. Newton’s Cannon

Description: Experimentation to  show how the motion of a familiar projectile like a cannonball is fundamentally the same as the orbit of a celestial body like the moon.

Core Concepts: Universal Law of Gravitation.

Link: Simulation on Newton’s cannon

71. Newton's Law of Universal Gravitation

Description: Explanation on Newton's Law of Universal Gravitation with formula.

Core Concepts: Universal Law of Gravitation.

Link: Video on Newton's law of universal gravitation

72. Gravity and orbit

Description: Explanation on gravity and orbit.

Core Concepts: Universal Law of Gravitation.

Link: Simulation on gravity and orbit

73. Satellite

Description: Explanation on different types of satellite and their applications.

Core Concepts: Satellites.

Link: Video on different kinds of artificial satellites, and their uses

74. Satellite and communication

Description: Explanation of communication with the help of satellite.

Core Concepts: Space Technology Applications.

Link: Video on importance of satellites in communication

75. Satellite and Earth observation

Description: Explains how Satellite observes Earth.

Core Concepts: Space Technology Applications.

Link: Video on observation of earth with satellite

76. Remote sensing

Description: Explanation on remote sensing performed by satellite.

Core Concepts: Space Technology Applications.

Link: Video on application of remote sensing and GIS in Disaster Management

77. Satellite and Disaster

Description: Explanation on use of satellite for natural disaster in Japan.

Core Concepts: Space Technology Applications.

Link: Video on how Japan is using space technology in natural disasters

78. Satellite and weather 

Description: Explanation on use  of satellite to monitor weather.

Core Concepts: Space Technology Applications.

Link: Video on how do we monitor the weather from space?

79. Satellite and planet’s Health 

Description: Explanation on how satellites help monitor Earth’s health.

Core Concepts: Space Technology Applications.

Link: Video on how satellites can help monitor the health of planet earth

80. Satellite and navigation 

Description: Explanation on how satellite navigation systems work.

Core Concepts: Space Technology Applications.

Link: Video on how does satellite navigation work?

81. Satellite and agriculture 

Description: Explains agriculture monitoring with satellite.

Core Concepts: Space Technology Applications.

Link: Video on how it Works: Agricultural monitoring with satellites

82. Satellite and image 

Description: Explanation on how satellite helps to capture images and how to analyse the data.

Core Concepts: Satellite Data Analysis.

Link: Video on how satellites capture 400 Megapixel images of Earth's globe

83. November issue of Bhutan space week 

Description: Explanation about November issue of Bhutan space week.

Core Concepts: Satellite Data Analysis.

Link: Video on Bhutan Space Week

84. NASA’s presentation about Bhutan 

Description: Nasa’s presentation on southern Bhutan forecasting.

Core Concepts: Satellite Data Analysis.

Link: PDF on NASA develop Bhutan presentation