What is the proper definition of light?
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What is the normal pulse beat of a human body?
Explain refraction?
What is meant by 4th dimension?
why copper is a bad conducter at low temperature?
What is transverse wave motion?
Why is ice wrapped in gunny bags ?
Explain how do you find the refractive index of a liquid by using total internal reflection?
When the seas freeze in-winter, the fish never die why?
The throbbing caused by sounds of slightly different frequencies that results because of periodic constructive and destructive interference is called:
What is the difference between diffraction and interference?
X-Ray is avoided by using ?
Explain about Barometer?