Physics · Scientific Instruments
Match List I (Instrument) with List II (Description) and choose the correct option: List I: (a) Hydrophone (b) Megaphone (c) Anemometer (d) Tachometer List II: (i) An instrument measuring the rotation speed of a shaft or disk (ii) An instrument that measures wind speed (iii) An instrument that amplifies and spreads sound to far-off places (iv) An underwater device that detects and records ocean sounds
- 1(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)✓
- 2(a) - (i), (b) - (ii), (c) - (iv), (d) - (iii)
- 3(a) - (i), (b) - (iii), (c) - (ii), (d) - (iv)
- 4(a) - (iv), (b) - (ii), (c) - (iii), (d) - (i)
Correct answer
(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)
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