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

Question

Select True or False for the following statements about electromagnetic waves. X-rays travel in vacuum at a higher speed than the visible light. The sun's radiation is most intense in the visible region. A vertical automobile antenna is sensitive to electric fields polarized horizontally. Radio waves have wavelengths longer than 1 m. Blue light has a longer wavelength than red. The Earth's atmosphere is quite transparent to infrared radiation. Gamma rays can be produced through electrons oscillating in wires of electric circuits.

Explanation / Answer

It seems that all your options are correct. But I have doubt with no. 6. Because though in a narrow range, Earth's atmosphere permits the IR radiations to reach the surface (about 3-4 microns). So it must be true.

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