Viscometer , Anemometer , Spectroscope , Pyknometer - Choose Odd Word - Classification - Verbal Reas

Choose or find odd word

Viscometer , Anemometer , Spectroscope , Pyknometer

Option:

A. Viscometer

B. Anemometer

C. Spectroscope

D. Pyknometer

Answer: B . Anemometer

Justification:

All except Anemometer are instruments used in Physics.

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