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      Question

      Suns heat reaches us by

      –
      A Conduction Correct Answer Incorrect Answer
      B Convection Correct Answer Incorrect Answer
      C Radiation Correct Answer Incorrect Answer
      D Reflection Correct Answer Incorrect Answer

      Solution

      Radiation is a process in which energetic particles or energetic waves travel through vacuum, or through matter-containing media that are not required for their propagation. The sun's rays reach us in the form of electromagnetic radiation. This type of radiation covers a wide spectrum (that is a wide range of frequencies), but those from the sun are mainly infra-red, visible, and ultra-violet.

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