Question

Which instrument is used to record physical happenings at a distant place ?
A. Thermostat
B. Tonometer
C. Telemeter
D. Transponder

Answer 1

Answer: Option C

Explanation:=>

Thermostat - is used to regulate the temperature at a particular point.

Tonometer - is used to measure the pitch of a sound,

Transponder - is used to receive a signal and transmit a reply immediately.

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