Refraction through a Lens — Physics STD 10 — Question

What material is used for making wire to prepare heating coils? Give a reason.

Give one example where high specific heat capacity of water is used as heat reservoir ?

What characteristic property of light is responsible for the blue colour of the sky?

A boy does work when he pushes against a brick wall. (yes/no).

Can a body possess zero kinetic energy?

Is it possible that no transfer of energy may take place even when a force is applied to a body?

What kind of thermometer is commonly used?

Point out the waves from the given list, i.e., light, sound, radio waves, ultrasonic waves, and thermal radiation, the energy is propagated by mechanical waves.

If a monochromatic beam of light undergoes minimum deviation through an equiangular prism, how does the beam pass through the prism, with respect to its base?

For which colour of white light, is the refractive index of glass the most?