In the state of weightlessness, the size of candle's flame will be-

Weightlessness is –

The two balls of iron and wood of same weight dropped from the same height in air, then –

The weight of anybody is –

If the spinning speed of the earth increases, then the weight of the body at the equator will

If pieces of equal size of woods, wax and iron falling from a same height, which one will reach the surface of the earth first?