Explain how do you find the refractive index of a liquid by using total internal reflection?
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Explain the difference between collector & emitter of transistor, even though material used for both same?
Explain the Mortar ?
discuss the statement "almost all the energy from a cars engine ultimately goes to pushing air around and heating the brakes"
Why is it important not to expose a patient to x-rays for too long?
Explain virtual image?
What is Translucent body ?
Why dies the earth move round the sun, and the moon round the earth ?
x- rays travel with the velocity of
For what the parabolic dishes are used?
At what temperature does the filament of electric bulb glows ?
Explain the Hard water?
What is the commercial unit of electric power