Chapter-15: Waves

Chapter-15: Waves 1. A transverse wave consists of – only crests only trough both crests and troughs rarefactions and compressions 2. Sound waves travel fastest in – Solid liquids Gases Vacuum 3. With the propagation of longitudinal waves through a medium, the quantity transmitted is – Matter Energy Energy and Matter Energy, Matter, and Momentum. […]

Chapter-15: Waves Read More »

Chapter-14: Oscillations

Chapter-14: Oscillations 1. in SH.M. acceleration is proportional to – Velocity Displacement Time period Frequency 2. At resonance the amplitude of forced oscillations is – minimum maximum zero None of these. 3. Time period of the second pendulum is – 1 second 2 seconds 4 seconds 5 seconds 4. Which one of the following is

Chapter-14: Oscillations Read More »

Chapter-13: Kinetic Theory

Chapter-13: Kinetic Theory 1. A real gas behaves like an ideal gas if its – both pressure and temperature are high both pressure and temperature are low the pressure is high and the temperature is low the pressure is low and the temperature is high 2. Perfect gas equation – PV = RT PV =

Chapter-13: Kinetic Theory Read More »

Chapter-12: Thermodynamics

Chapter-12: Thermodynamics 1. The zeroth law of thermodynamics leads to the concept of Internal energy Heat content Pressure Temperature 2. Internal energy of an isolated system Increases Decreases Remains the same None of these 3. First Law of Thermodynamics leads to – Conservation of mass Conservation of linear momentum Conservation of energy Conservation of angular

Chapter-12: Thermodynamics Read More »

Chapter-8: Gravitation

Chapter-8: Gravitation 1. Kepler’s First Law is known as- Law of orbits Law of areas Law of periods None of these. 2. Kepler’s second law is known as- Law of orbits Law of periods Law of areas None of these. 3. Kepler’s Second Law is a consequence of- Conservation of energy Conservation of linear momentum

Chapter-8: Gravitation Read More »

Chapter-6: Work, Energy And Power

Chapter-6: Work, Energy And Power 1. The commercial unit of energy is- Watt Joule Kilowatt-hour None of these 2. The product of force and displacement is called – Energy Momentum Power Work 3. Work will be said not to be done if the force and displacement are – parallel acting in the opposite direction perpendicular

Chapter-6: Work, Energy And Power Read More »