What is the total number of Lok Sabha constituency in

Mercalli scale is the instrument used for measuring the intensity of ___________.

The Doppler Effect primarily refers to changes in what aspect of waves?

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

Electrical fuse is used to interrupt excess of _________.

‘Therm' is the unit of –

Quantum Theory was discovered by 

Which among the following is a vector quantity? 

What is the audible frequency range?

The method of transfer of heat in liquid is

What is the frequency of Ultrasonic Waves?