Which organization conducts entrance exams to select

Heat stored in water vapour is –

Velocity of the sound is minimum in-

The amplitude of the sound wave depends on the

A concave lens has a focal length 15 cm. If the object is placed at 30 cm from the lens, what is the image distance?

Which among the following is a vector quantity? 

What is the speed of light in air?

Which physical property causes raindrops to form spherical shapes?

What is the colour of neutral wire?

1) Red

2) Green

3) Black

4) Yellow

Iron, Nickel and Cobalt are the examples of

Where is the gravitational acceleration zero?