Unified Atomic Mass Unit Multiple Choice Questions (MCQ) PDF - 32

MCQ 156: Standard unit of mass that quantifies mass on an atomic or molecular scale is

1. unfied atomic mass
2. unified atomic mass
3. international atomic unit
4. internal atomic unit

MCQ 157: A mercury barometer has a

1. vertical metal tube
2. horizontal metal tube
3. vertical glass tube
4. horizontal glass tube

MCQ 158: Energy transferred to the object is

1. positive work
2. negative work
3. kinetic frictional force
4. static frictional force

MCQ 159: If a vehicle's wheel has smooth rolling motion, than linear acceleration is equals to

1. α
2. αR(radius of wheel)
3. α/R(radius of wheel)
4. α/2R(radius of wheel)

MCQ 160: Average acceleration is equals to instantaneous acceleration, when

1. velocity is infinite
2. acceleration is constant
3. time is limited
4. displacement is infinite