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Select True or False for the following statements about electromagnetic waves. True False  The sun's radiation is...

Select True or False for the following statements about electromagnetic waves.

True False  The sun's radiation is most intense in the infrared region.
True False  A vertical automobile antenna is sensitive to electric fields polarized horizontally.
True False  The Earth's atmosphere is quite transparent to infrared radiation.
True False  Blue light has a higher frequency than X-rays.
True False  X-rays are produced by a glowing light bulb.
True False  Gamma rays travel in vacuum at the same speed as the visible light.
True False  Visible light is often emitted when valence electrons change their state.

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Answer #1

False ( radiation is most intense in UV region)

False - ( because polarization should be in the same plane as the element of the antenna for sensitivity)

True - ( because IR radiation are directly passed to space without being absorbed in atmosphere)

false - ( frequency is inversely proportional to wavelength and wavelength of blue light is higher than that of X-rays)

false - ( we can produce x-rays in salvaged light bulb with special arrangement)

True - ( all EMT waves travel with same speed in vacuum)

False - ( it depends on the energy difference between the two states )

  

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