Forms of Energy

Which of the following converts electrical energy into sound energy.

In which of the following light energy is converted into electrical energy

Explain the Internal energy of a body?​

List uses of light energy.

List any two examples for conversion of muscular energy into mechanical energy.

Are there energy being used when a body is in action? Explain.

Can different forms of energy be stored? Explain.

What does the different width of the arrow in a Sankey diagram represent?

What is the importance of Sankey diagram?

A bullet fired from a gun can penetrate a target due to its _____ energy.

What are two most common form of waste energy in clockwork radio.

In a clockwork radio, the energy conversion happens from 

During rocket lift off the chemical energy is converted to gravitational potential energy and kinetic energy.

During Rocket's lift off the energy in the fuel is of 

Name the form of energy that causes the sensation of hotness or coldness.

(Choose from: Heat /Sound)

There is a slight temperature difference between the waterfall at the top and at the bottom because

What kind of energy is possessed by the sound waves?

Sound energy is produced by rotating objects.

A spring of spring constant $K=4\times {10}^3 \raisebox{1ex}{$\mathrm{N}$}\!\left/ \!\raisebox{-1ex}{$\mathrm{m}$}\right.$ is compressed by $2 \mathrm{cm}$. Determine potential energy stored in spring in joules.

A force is applied upon a body of $40 \mathrm{kg}$ then its velocity increases from $1 \raisebox{1ex}{$\mathrm{m}$}\!\left/ \!\raisebox{-1ex}{$\mathrm{s}$}\right.$ to $2 \raisebox{1ex}{$\mathrm{m}$}\!\left/ \!\raisebox{-1ex}{$\mathrm{s}$}\right.$. Determine work done by the force in joules.