Explain what is the rectilinear propagation of light?
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why is n-type conducter is neutral?
What is Solar Energy?
Why does it take longer to heat a bucket of water than a cup of water?
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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?
What happens on combing the hair with an ebonite comb?
Explain the Flying Machines ?
By which formula, the values in one thermometer can be converted into that of another thermometer ?
the magnifying power of a simple microscope can be increased if we use eye piece of
What do you mean by diffraction and what is/are the proper condition/conditions for it?
Explain reflection of light?
When a bar of iron is heated,it expands. What will happen to it's weight when it is heated