Roots of the quadratic equation 2x2 + x –

Who defined the law of gravitation? 

In which form is the supplied heat energy stored during change in temperature of substance?

The blades of a moving jet engine are an example of:

Einstein was awarded Nobel Prize for –

The instrument which uses sound waves to measure the depth of oceans is –

S.I unit of Inductance is

The splitting up of white light into seven colours on passing through a glass prism is called as

The acceleration due to gravity ___________ with height

The Atom Bomb dropped in Nagasaki is an uncontrolled nuclear fission made up of:

Which of the following statements is incorrect?