What is reflection of light?
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Explain what is density?
Why dies the earth move round the sun, and the moon round the earth ?
What is a thermal transformation?
What is meant by 4th dimension?
Explain what is centrifugal force?
why current is denoted by I?
When a glass cylinder is filled with water and a piece of thick paper is placed at the mouth and the cylinder is inverted, the paper dies not fall. Why ?
Why Speaker Output mentioned in WATTS
What is the general term for the kind of material usually placed between the conducting plates of a capacitor?
hmmm by using of our saliva we can produce current?
can we use kgs instead of kg? why?
For which type of waves is the principle of superposition valid?