68th BPSC Prelims (2023), question 78

🌍 Geography

78. The atmosphere is mainly heated by the

    1. short-wave solar radiation
    2. reflected solar radiation
    3. long-wave terrestrial radiation
    4. More than one of the above
    5. None of the above
    Show answer

    Answer: C — long-wave terrestrial radiation

    The atmosphere is heated mainly by long-wave terrestrial (Earth's) radiation, not directly by incoming short-wave solar radiation.

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