What is sonar?
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When a bar of iron is heated,it expands. What will happen to it's weight when it is heated
How does the electricity travel ?
what happens to the period of a simple pendulum taken into a deep mine
whether man or women came first on earth
So quantum physics must use probability theory? : quantum physics
How we are getting light from electrical bulb.Please brief in detail.
What is a galvanometer?
while calculating KVA using Volt and Ampere Reading, why we multiply the result with Square Root of 3 (i.e, 1.73)?
Why, when you release an inflated, untied balloon, does it fly across the room?
Explain how do you find the refractive index of a liquid by using total internal reflection?
what happens when an object travels in the speed of light hits another object?
Explain about Bessemer?