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Question 79Asked in DSSSB TGT Computer Science (Technical), 13 Sep 2025, Shift 3 (5:00 PM)

The Earth is warm because it absorbs the Sun’s radiation and then reemits it as __________.

  1. Aradio waves
  2. Bultraviolet-visible radiation
  3. Cinfrared radiation
  4. Dvisible light
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Correct answer: (C) infrared radiation

Explanation

The Earth absorbs sunlight and re-radiates the energy at long wavelengths as infrared (heat) radiation. Greenhouse gases trap this radiation.

From DSSSB TGT Computer Science PYQ (Technical), 13 Sep 2025, Shift 3 (5:00 PM)

This is question 79 of DSSSB TGT Computer Science PYQ (Technical), 13 Sep 2025, Shift 3 (5:00 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.