In which state of India is the Gol Gumbaz

A current element is placed at origin. At point P(1 mm,1 mm), the magnetic field due to this element is:

Find the force exerted on a body of mass 2 kg moving with an acceleration of 3 m/s².

Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by –

If the vector sum of torques acting on a system is zero, then the object is in ________.

A body of mass 3 kg has a velocity of 4 m/s. Find its kinetic energy.  

What happens to the resistance of a wire if its length is doubled?  

If the vector sum of torques acting on a system is zero, then the object is in:

From the given options, the speed of sound is highest in which material?

Which of the following decays does not change the atomic number of the nucleus?