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ISC (Science) Class 11 - CISCE Question Bank Solutions for Physics (Theory)

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Physics (Theory)
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It is often said that the world is witnessing now a second industrial revolution, which will transform the society as radically as did the first. List some key contemporary areas of science and technology, which are responsible for this revolution.

[1] Physical World and Measurement
Chapter: [1] Physical World and Measurement
Concept: Physics Related to Technology and Society

Though the law gives women equal status in India, many people hold unscientific views on a woman’s innate nature, capacity and intelligence; and in practice give them a secondary status and role. Demolish this view using scientific arguments, and by quoting examples of great women in science and other spheres; and persuade yourself and others that, given equal opportunity, women are on par with men.

[1] Physical World and Measurement
Chapter: [1] Physical World and Measurement
Concept: Physics Related to Technology and Society

An ideal gas is kept in a long cylindrical vessel fitted with a frictionless piston of cross-sectional area 10 cm2 and weight 1 kg. The length of the gas column in the vessel is 20 cm. The atmospheric pressure is 100 kPa. The vessel is now taken into a spaceship revolving round the earth as a satellite. The air pressure in the spaceship is maintained at 100 kPa. Find the length of the gas column in the cylinder.

Use R = 8.3 J K-1 mol-1

[9] Behaviour of Perfect Gases and Kinetic Theory of Gases
Chapter: [9] Behaviour of Perfect Gases and Kinetic Theory of Gases
Concept: Kinetic Theory of Gases - Concept of Pressure

Read the following statements below carefully and state, with reasons, if it is true or false.

The stretching of a coil is determined by its shear modulus.

[7] Properties of Bulk Matter
Chapter: [7] Properties of Bulk Matter
Concept: Elastic Moduli > Shear Modulus or Modulus of Rigidity

Explain what is Doppler effect in sound

[10] Oscillations and Waves
Chapter: [10] Oscillations and Waves
Concept: Wave Motion
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