Odd-one-out (device/function classification): Choose the word that does not belong to the group. Items to analyze by optical vs. audio devices: Spectacles, Goggles, Binoculars, Microphone Choose the single word that is different from the rest.

Difficulty: Easy

Correct Answer: Microphone

Explanation:


Given data

  • Spectacles, Goggles, Binoculars, Microphone


Concept/Approach
Classify by sense aided: vision vs. hearing/sound.


Step-by-step reasoning
Spectacles → optical/vision aid. Goggles → optical/eye protection/vision aid. Binoculars → optical magnification. Microphone → audio device (captures/amplifies sound).


Final Answer
Microphone

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