Question

i) The energy stored in wound watch spring is

a) K.E

b) P.E

c) Heat Energy

d) Chemical Energy

ii) If the stone is thrown up vertically and return to the ground, its potential energy is

maximum

a) During the upward journey

b) At the maximum height

c) During the return journey

d) At the bottom

iii) The potential energy of a simple pendulum will be maximum when it is-

a)At the turning point of oscillation

b)At equilibrium

c)In between above two cases

d)Any time

iv) SI unit Of energy

a) Joules

b) Newton

c)m/s

d)metre​

Answer 1

1 potential energy

2 During the upward journey

3At the turning point of oscillation

4 joule