Explain one advantage of a scanning electron microscope over a transmission electron microscope?
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Explain what is a newton meter?
WHICH OF THE FOLLOWING PAIR IS INCORRECT? A) ROENTGEN: X-RAY B) NEWTON: LAW OF GRAVITATION C) FARADAY: DIFFUSION OF GASES D) PASTEUR: BACTERIOLOGY
What do you mean by diffraction and what is/are the proper condition/conditions for it?
what is relation between magnetic and electricity and why?
What is the velocity of light ?
why is a coin in a vessel not vissible when seen fromjust below the edge of the vessel but can be viewed from the same position when water is poured into the vessel ?
When a toy balloon is filled with air and then the air is allowed to go out, why dies the balloon whiz away ?
What is the quantity?
How can it be proved that the window glass id colored ?
Why is a man hit harder, when he falls on a paccafloor than when he falls on sand from the same height ?
Do radio-waves go in straight line ?
If a body is hung from a spring balance first at the poles and then at the Equator, why do the readings of the balance change ?