What is a Noise ?
In Einstein's mass energy relation E=mc2 why velocity of light is used and never ordinary velocities?what is the exact explanation?
How we are getting light from electrical bulb.Please brief in detail.
How can you conform that magnetic lines come from a single bar magnet with out any external instruments?
What evidence is there supporting the big bang theory?
how does a basic rubber ink filler work?
What is reverberation?
What would happen if a disk one light second in circumference were to spin at 60 rpm?
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when taken to the top of a mountain, a clock will go fast or go slow or no change or stop ?
Explain the Thermometers’ ?
Explain the Reflection ?
What is Insulators ?