Mirage is observed in a desert due to?the phenomenon of
1). interference
2). total reflection
3). scattering
4). double refraction
1. Persistence of vision is the principle behind
2. Which of the following terms is not used in the field of physics?
3. It is easier to carry two buckets of water in one hand each than to can only one in one hand because
4. A fountain pen Works on the principle of
5. What measures Air pressure?
7. What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius
8. The instrument used to measure the speed of the wind is