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Heat — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceHeat1 Mark
MCQ
Radiation is passing through a transparent medium, then:
  • A
    The temperature of medium increases
  • B
    The temperature of medium decreases
  • ✓
    The temperature of medium does not alter
  • D
    The temperature of medium first increases and then becomes steady
✓

Answer

Correct option: C.
The temperature of medium does not alter
Opacity affects radiation; Transparency which is essentially lacks opacity actually allows radiation through it.

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