Which one of the following processes is responsible for the glittering of air bubble rising through water?
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Alternate freezing and thawing often leads to ______.
An object with a mass of 22 kg moving with a velocity of 5 m/s possesses a kinetic energy of :
Anemometer is an instrument meant for measuring __________
Why does water tank appear shallower when viewed from the top?
When light passes from one medium to another, this phenomenon of change in its direction is called _____.
As the object covers unequal distances in equal intervals of time, it is said to be in ____________ motion.
If a body is moving on a circular path, what is its average velocity if it completes one cycle in one second?