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

Explanation: All except Stethoscope are optical instruments.

Explanation by: Yatendra Sir
All except Stethoscope are optical instruments.

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