?Instrument used to study the behavior of a vibrating string is:
1). Hygrometer
2). Sonmeter
3). Barometer?
4). Hydrometer?
1. Magnetic keepers are pieces of
2. An anemometer measures which of the following ?
3. What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel?
4. The bending of light when it passes around a corner or a slit is due to ________
5. ?Instrument used to study the behavior of a vibrating string is:
6. The spring balance works on the principle of ________ .
7. The velocity of falling rain drops attains a terminal value because of
8. In the Earth, the weight of a body is maximum at the
9. In a nuclear reactor, one of the following is used as a fuel.