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Question

Visible light falls between the wavelengths of the electromagnetic spectrum.


A

Radiowaves and microwaves

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B

Ultraviolet rays and infrared rays

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C

Ultraviolet rays and x rays

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D

Infrared rays and microwave

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Solution

The correct option is B

Ultraviolet rays and infrared rays


Explanation for the correct option

In the case of option B,

  1. Infrared light has a greater wavelength than visible light, while ultraviolet light has a shorter wavelength.
  2. Between UV and infrared wavelengths, visible light exists.

Explanation for the incorrect option

In the case of option A,

  1. Long-distance communication is possible with radio waves in general, but this is not possible with microwaves.

In the case of option C,

  1. X-rays have significantly higher energy and shorter wavelength than ultraviolet light, thus scientists normally talk about them in terms of energy rather than wavelength.

In the case of option D,

  1. In comparison to microwave radiation, which is more precise, infrared rays are less controlled.
  2. Microwave radiation, which lies between radio waves and infrared on the electromagnetic spectrum, has a shorter wavelength than infrared radiation.

Hence, the correct option is (B).


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