The range of wavelengths of the visible spectrum is 400nm - 700nm. The wavelength of gamma rays is
longer than 700nm
shorter than 700nm but longer then 400nm
550nm
shorter than 400nm
infinite
Explanation
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Video Explanation
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use the acronym
RICH MEN IN VESTS USE X GUNS
r is radio wave, m is microwave, I is infra red, v is visible light, u is ultraviolet rays, x-rays and gamma rays
this is order of decreasing wavelength

Oh my God, imagine that I'll write exams in this web site after I have write finish my results will be 129 highest mark got today is 144.

I took an exam on this website yesterday, and when I submitted the results never came and I had to write the exam again. Today I took another exam and there were no questions available for chemistry and biology making me to get a score of just 160. And also sometimes there will be no options available to select from making me to lose that mark. I really wish that this issue will be looked into and hopefully rectified.

