Cryogenics is a science dealing with
1). high temperatures
2). low temperatures
3). friction and wear
4). growth of crystals
1. Heat from the sun reaches earth by the process of
2. The time period of a seconds pendulum Is
3. Which one of the following is the correct sequence of passage of light in a compound microscope?
4. Venus is the _______ planet from the Sun.
5. Which law is also called law of inertia ?
6. In a optical fibre cable, the signal is propagated along the
8. The force which makes a vehicle to stop when break is applied is called