Explain radio telescopes?
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Explain the use of galvanometer?
Suppose a car is traveling at 72kmph, and if that car slows down to 60kmph it takes an extra 1 hour to cover that same distance. At 72kmph, how long did it take forthe car to cover that distance?
When a person whirls a rock on the end of a string and maintains it in uniform circular motion, the force exerted on the rock is most accurately referred to as?
Why gave we to put back the clock continually, when we travel round the world west-wards ?
The principle of action of points is used in ___________.
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What is ntu in thermodynamics?
What is the Ordinary magnet ?
Two bulbs, one of 600W and the other of 100W having same voltage rating are connected in series across the supply in a room.Which bulb will glow brighter? If one of the bulb is switched off, what will be effect on illumination?
why glass is more elastic than rubber?
What is the quantity?
Explain the Welding ?
The lowest frequency that determines the pitch of a musical note is most commonly called the?