2. Sample Papers
  3. Railways
  4. General Science & Technology
  5. Wave Optics / तरंग प्रकाशिकी

Railways General Science & Technology Wave Optics / तरंग प्रकाशिकी Sample Paper Wave Optics Sample Test Paper-7

  • question_answer
    Which of the following shows greenhouse effect

    A)  Ultraviolet rays

    B)  Infrared rays

    C)  X-rays 

    D)  None of these

    Correct Answer: B

    Solution :

    [b] Infrared radiations reflected by low lying clouds and keeps the earth warm.


You need to login to perform this action.
You will be redirected in 3 sec spinner