The Indian Olympic Association is affiliated to

An image formed by a plane mirror is ______.

The base of an electric iron is brightly polished mainly -

The instrument used to measure the speed of the wind is –

Which of the following is an example of longitudinal waves in a gas medium?

Lux is the SI unit of -

A spherical ball made of steel when dropped in mercury container will –

A wire with green plastic covering is typically used as which type of wire?

Which of the following statement is correct?

I. Value of ‘g’ is higher at poles than equator

If the distance between two consecutive crests is L, then the wavelength is given by______.