Chapter-15: Waves 1. A transverse wave consists of – only crests only trough both crests and troughs rarefactions and compressions [su_spoiler title=”View Answer ” style=”fancy”]both crests and troughs[/su_spoiler] 2. Sound waves travel fastest in – Solid liquids Gases Vacuum [su_spoiler title=”View Answer ” style=”fancy”]Solid[/su_spoiler] 3. With the propagation of longitudinal waves through a medium, the […]

Chapter-14: Oscillations 1. in SH.M. acceleration is proportional to – Velocity Displacement Time period Frequency [su_spoiler title=”Answer” style=”fancy” icon=”caret”]Displacement [/su_spoiler] 2. At resonance the amplitude of forced oscillations is – minimum maximum zero None of these. [su_spoiler title=”Answer” style=”fancy” icon=”caret”]maximum [/su_spoiler] 3. Time period of the second pendulum is – 1 second 2 seconds 4

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 [su_spoiler title=”Answer” style=”fancy” icon=”caret”]the pressure is low and the temperature

Chapter-12: Thermodynamics 1. The zeroth law of thermodynamics leads to the concept of Internal energy Heat content Pressure Temperature [su_spoiler title=”answer” style=”fancy” icon=”caret”]Pressure[/su_spoiler] 2. Internal energy of an isolated system Increases Decreases Remains the same None of these [su_spoiler title=”answer” style=”fancy” icon=”caret”]Remains the same[/su_spoiler] 3. First Law of Thermodynamics leads to – Conservation of mass

Chapter-11: Thermal Properties Of Matter 1. The S. I. unit of heat is – Joule Calorie Kelvin J/kg [su_spoiler title=”answer” style=”fancy” icon=”caret”]Joule[/su_spoiler] 2. The S. I. unit of temperature is – Joule Fahrenheit Kelvin Calorie [su_spoiler title=”answer” style=”fancy” icon=”caret”]Kelvin[/su_spoiler] 3. Ideal gas equation – PV=R/T PV=T/R PV=μRT PT=RV [su_spoiler title=”answer” style=”fancy” icon=”caret”]PV=μRT[/su_spoiler] 4. Value of

Chapter-10: Mechanical Properties Of Fluids 1. Unit of Pressure is- Dyne N-m Pascal (Pa)  Nm² [su_spoiler title=”answer” style=”fancy” icon=”caret”]Pascal (Pa)[/su_spoiler] 2. Unit of Thrust is – Pascal (Pa) Erg Newton N-m² [su_spoiler title=”answer” style=”fancy” icon=”caret”]Newton [/su_spoiler] 3.  Unit of Density is –  Kg.m  Kg.m⁻³  Kg.m²  Kg.m³ [su_spoiler title=”answer” style=”fancy” icon=”caret”] Kg.m⁻³[/su_spoiler] 4. The dimension of Pressure is

Chapter-9: Mechanical Properties Of Solids 1. Poisson’s Ratio is applicable to- Solid only Gas only Liquid only All of these [su_spoiler title=”answer” style=”fancy” icon=”caret”]Solid only[/su_spoiler] 2. The restoring force per unit area is known as- strain elasticity stress None of these [su_spoiler title=”answer” style=”fancy” icon=”caret”]stress[/su_spoiler] 3. The ratio of stress to strain is called- Frictional

Chapter-8: Gravitation 1. Kepler’s First Law is known as- Law of orbits Law of areas Law of periods None of these. [su_spoiler title=”answer” style=”fancy” icon=”caret”]Law of orbits[/su_spoiler] 2. Kepler’s second law is known as- Law of orbits Law of periods Law of areas None of these. [su_spoiler title=”answer” style=”fancy” icon=”caret”]Law of periods[/su_spoiler] 3. Kepler’s Second

Chapter-7: Systems Of Particles And Rotational Motion 1. The unit of the radius of gyration is – Kg m² m Kg Kg m [su_spoiler title=”answer” style=”fancy” icon=”caret”]m[/su_spoiler] 2. A couple produces – Only linear motion Only rotational motion Linear and rotational motion both No motion [su_spoiler title=”answer” style=”fancy” icon=”caret”]Only rotational motion[/su_spoiler] 3. The center of

Chapter-6: Work, Energy And Power 1. The commercial unit of energy is- Watt Joule Kilowatt-hour None of these [su_spoiler title=”answer” style=”fancy” icon=”caret”]Kilowatt-hour[/su_spoiler] 2. The product of force and displacement is called – Energy Momentum Power Work [su_spoiler title=”answer” style=”fancy” icon=”caret”]Work [/su_spoiler] 3. Work will be said not to be done if the force and displacement