What is the laws of dry or solid friction.
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How will it be possible to kindle fire, if we had no matches ?
Define Young’s modulus?
For what the parabolic dishes are used?
What is the effect of using two converging lenses in one optical instrument?
Explain the Light ?
how much mercury overflows when a glass vessel filled to the brim with 50 cubic centimeter of mercury 15°C is heated to 75°C of glass?
which one of the following does a tv remote control unit used to operate a tv ? a)light waves b) sound waves c) micro waves d) radio waves
Explain optical telescopes?
What is Convex lens ?
while climbing a hill or mountain we bend forward. give a scientific expalantion in a simple way
Explain what is the measure of the force of gravity on an object?
Describe and interpret qualitatively the evidence provided by electron diffraction for the wave nature of particles. : quantum physics