Explain what is larger the force the earth exerts on you or the force you exert on the earth?
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What is channel?
Define non-Luminous body ?
What is a thermal transformation?
Give an example of transverse wave?
An ice-box is built of wood 1.75 cm thick, lined with cork 3 cm thick. If in the steady state the temperature of the inner surface of the cork is 0 ºC and that of the outer surface of wood is 12 ºC, what is the temperature of the wood-cork interface? The thermal conductivities of wood and cork are 0.2 W/m-K and 0.04 W/m-K respectively
What do you mean by diffraction and what is/are the proper condition/conditions for it?
Explain the Reflection of Light ?
Explain the cause of brownian motion?
Why is the earth not used as a return wire in a telephone system, while it is dine so in case of telegraph system.
Does a soccer ball go faster in the air on a cold or hot day?
Explain the Heat Engines ?
Explain about Bessemer?