The best conductor of heat among the following is
1). alcohol
2). mercury
3). ether
4). Water
1. It is dangerous to observe Solar eclipse with naked eyes because
2. While ascending a hill, the driver of the vehicle keeps the gear ratio
3. Fat can be seperated from milk in a cream seperator because of :
4. Water Is used in car radiator because of its
5. Nuclear Fission is caused by the impact of
6. The velocity of sound in moist air is more than in dry air because the moist air has
7. The resistance of the human body (dry condition) is of the order of
8. Energy per unit volume is dimensionally equal to
10. When a ship enters the sea from a river what will be the effect?