📊 Reasoning
Q. Choose the word which is different from the rest.
  • (A) Telescope
  • (B) Periscope
  • (C) Microphone
  • (D) Microphone D. Bioscope
✅ Correct Answer: (C) Microphone

Explanation: All except Microphone are instruments based on theories and principles of light.

Explanation by: Gopal Sharma
All except Microphone are instruments based on theories and principles of light.

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