Objects Stability Multiple Choice Questions (MCQs) PDF Download - 68

If an object returns to its original position when it is slightly displaced, it is in the state of

1. stable equilibrium
2. unstable equilibrium
3. neutral equilibrium
4. manual equilibrium

They are randomly arranged with the particles slightly further apart in

1. liquids
2. solids
3. both solids and liquid
4. both liquids and gases

Which of the following is true?

1. light can be reflected
2. light is a form of current
3. light can not be reflected
4. light contains potential energy

The food we eat contains chemical potential energy that can be converted to

1. mechanical energy
2. thermal energy
3. heat energy
4. kinetic energy

If the density of water is 1000 kg m^-3, atmospheric pressure is 1.01 × 10⁵ and gravitational field strength is 10 N kg^-1.What is the pressure acting on a scuba diver when he 10 m deep in the sea?

1. 10.01 × 10⁵
2. 1.01 × 10⁵
3. 3.01 × 10⁵
4. 2.01 × 10⁵