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प्रश्न
Heat from the Sun reaches us by ______.
विकल्प
conduction
radiation
convection
vaporisation
MCQ
रिक्त स्थान भरें
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उत्तर
Heat from the Sun reaches us by radiation.
Explanation:
Radiation is the only mode of heat transfer that can travel through a vacuum because it doesn’t require a material medium. Since space is empty, solar heat travels to earth via electromagnetic radiation waves.
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