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22 July, 09:08

Which of the following is true about the frequencies of electromagnetic radiation

A. Ultraviolet waves have higher frequencies than radio waves.

B. X-rays have lower frequencies than infrared waves.

C. Radio waves have higher frequency than x-rays.

D. Gamma rays have lower frequencies than ultraviolet waves.

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  1. 22 July, 11:38
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    Answer:Ultraviolet waves have higher frequencies than radio waves.

    Explanation:

    The waves arranged in increasing order of frequency are radio waves, infrared waves, x-rays, ultraviolet waves.

    Option A:

    Ultraviolet waves have higher frequencies than radio waves. This agrees with the above order.

    Option B:

    X-rays have lower frequencies than infrared waves. This does not agree with the above order.

    Option C:

    Radio waves have higher frequency than x-rays. This does not agree with the above order.

    Option D:

    Gamma rays have lower frequencies than ultraviolet waves. This does not agree with the above order.

    So, option A is correct.
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