this is in subject gk
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abhineet15:
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1 altimeter
2 ammeter
3 audiometer
4 hearing aid
5 barimeter
6 calorimeter
7 voltmeter
8 electrometer
9 sounder
11 psychrometer
1 altimeter
2 ammeter
3 audiometer
4 hearing aid
5 barimeter
6 calorimeter
7 voltmeter
8 electrometer
9 sounder
11 psychrometer
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0
Answer:
1) altimeter
2) ammeter
3) audiometer
4)hearing aid
5) barimeter
6)calorimeter
7) voltmeter
8) electrometer
9) sounder
11) psychrometer
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