Why does heated air expand?
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How many neutrons are present in a single deuterium nucleus?
why ac is attractive and dc is repulsive?
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 does the mev in mev photon mean?
What the postulates of planck’s quantum theory? : quantum physics
Why is a jet of water curved on coming out of a horizontal nozzle ?
Why is the temperature of the body regulated by the skin ?
Explain about Bessemer?
Explain about Barometer?
For two objects separated by a distance d, if the mass of one of the objects is doubled, what will happen to the gravitational attraction between them?
Why does a heavy stone nor break a glass place when place slowly on it, while a small stone falling from a great height easily breaks it ?
two person are waking same speed.one is walking state and another walking circle. who will go long distance