Free and Forced Oscillations Multiple Choice Questions (MCQ) PDF - 128

MCQ 636: If an object moves back and forth repeatedly around a mean position it is called

1. oscillating
2. revolving
3. rotating
4. motion

MCQ 637: Resistance of a particular wire depends upon

1. size and shape
2. shape and length only
3. size only
4. shape only

MCQ 638: Lepton among them are

1. electrons
2. neutrinos
3. protons
4. both A and B

MCQ 639: Torricelli's theorem states that the velocity ‘v’ of the liquid emerging from the bottom of the wide tank is given by √(2gh). In practice, this velocity is:

1. equal to √(2gh)
2. greater than √(2gh)
3. lesser than √(2gh)
4. independent of height and gravitational field strength

MCQ 640: New nucleus after alpha particle decays, is called

1. parent nucleus
2. daughter nucleus
3. decayed nucleus
4. undecayed nucleus