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5th Class Science Lights, Sound and Force Question Bank Lights and Sound

  • question_answer
    Read the statements and choose the correct option. Statement A: We can hear all the sound that is being made in the universe. Statement B: We can see all the wavelengths of light.

    A) Only A is true.                        

    B) Only B is true.

    C) Both A and Bore true.              

    D) Both A and B are false.

    Correct Answer: D

    Solution :

        We cannot hear all the sound that is being made in the universe. Human beings can hear only those things that are in the range of 20 - 20000 Hertz. Human beings can only see the wavelengths depicted by VIBGYOR. Beyond these, humans cannot see.


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