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Light — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceLight1 Mark
MCQ
A device which works on the reflection of light from two plane mirrors arranged parallel to one another is:
  • A
    Electroscope.
  • B
    Kaleiodoscope.
  • ✓
    Periscope.
  • D
    Stethoscope.
✓

Answer

Correct option: C.
Periscope.
Periscopes are used to see objects that are not in direct line of sight.

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