2. Which scientist is considered as the father of Indian Space Programme?
3. What is the fear of nights called?
4. Which of the following is an example of static electricity?
[A]A magnet sticks to a refigerator door made of metal
[B]A dry-cell battery connected to wires lights up a light bulb
[C]A light switch that is turned on runs a ceiling fan
[D]A balloon sticks to a wall after it is rubbed with a piece of wool
5. Which energy transformation occurs first in a coal burning power plant?
[A]Chemical energy to thermal energy
[B]Mechanical energy to electrical energy
[C]Thermal energy to electrical energy
[D]Thermal energy to mechanical energy