Who did first record the sound?
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how much mercury overflows when a glass vessel filled to the brim with 50 cubic centimeter of mercury 15°C is heated to 75°C of glass?
What is the law of machines?
What is Negative Acceleration ?
What is the Boiling ?
How much oxygen is in the atmosphere?
Explain what is an alloy?
Is Ohm's Law obeyed in the transformer equation? Explain the answer.
What should a drummer do to make the sound of lower pitch?
Two parallel beams of electrons are moving in the same direction. Does they repel or attract each other?
What is ntu in thermodynamics?
What is dispension of light?
egg or hen which came first