Energy of Ultraviolet rays is great than
1). Infrared rays
2). Gamma rays
3). X-rays
4). Cosmic rays
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1. Among the following materials sound travels fastest in
2. Oil rises up the wick in a lamp because
3. Danger signals are generally red as red light
4. Why does ice covered in sawdust not melt quickly ?
5. Magnetic field lines about a current-carrying wire
7. When a ship enters the sea from a river
8. Which of the following is not a part of a CRT ?
9. On which of the following techniques photo state machine works ?