Electric Circuits, Resistance and Ohm's Law — Physics STD 10 — Question

A coconut tree appears to be ________ when viewed by a sea diver from below the water surface.

Heat energy is :

Which of the following statements about a bar magnet is NOT true?

Assertion (A): When a ray of light passes from one medium to another medium, its frequency changes.
Reason (A): The frequency of light depends on the source of light.

The ratio of the displacement of effort to the displacement of load is called the:

During sunrise or sunset, the sun appears bigger because the rays of light coming from it pass through:

When a force applied in the direction of motion of a body, it is accelerated motion, thus, kinetic energy :

What is the work done when a body moves along a circular path in a horizontal plane?

When land breeze blows :

On reducing the focal length of a lens, its power : ________ .