Name the British General who was responsible for the Jallianwalla Bagh massacre.
1). Hastings
2). Cornwallis
3). Dyer
4). Dalhousie
2. How much mechanical work must be done to completely melt 1 gram of ice at 0°C ?
3. Air pressure is measured in which of the following units?
6. Sending a frame to a group of stations is known as
8. When a vibrating tuning fork is placed on a table, a loud sound is heard. This is due to :
9. An ice block with a piece of lead embeded in it floats in water. If ice melts the water level