PHYSICS FOR RAILWAY GROUP D

1. Barometer is used to measure atmospheric pressure.
2. Helioscope is used to see the sun.
3. Galvanometer is used to detect current in a circuit.
4. Ammeter device is the electric current measured.
5. Odometer is used to the motor vehicle distance.
6.Tachometer is used measuring the rotational speed of flywheel.
7. Lactometer is used to find out the amount of water in the milk.
8. Thermometer is used to measure the temperature.
9. Hydrometer used for measuring density of the liquid.
10. Voltmeter is used for voltage.
11. SONAR is used for discovering the thing in water.
12. Anemometer is used for measuring the power and speed of wind.
( FOR RRB NTPC, Railway Group d, SSC & ALL GOVT. EXAM PREPARATION)
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