Force, Work, Energy and Power — Physics STD 10 — Question

Some heat is provided to a body to raise its temperature by 25°C. What will be the corresponding rise in temperature of the body as shown on the Kelvin scale?

Define energy of a body.

What is the range of wavelength of the spectrum of white light in (i) Å, (ii) nm?

What kind of energy is possessed in a situation when?
Water stored in dams.

Why is the loudness of the sound heard by a plucked wire increased when it is mounted on a sound board?

State the energy changes in the following case while in use:
a petrol engine of a running car

What is the position of the centre of gravity of a cylinder?

A candle is placed between f and 2f a convex lens. Draw a ray diagram showing the position of the image.

What do you understand by the kinetic energy of a body?

State the similarity in the process of nuclear fission or fusion