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What is the smallest of the 3 types of radiation? What is an easier way to prove which of the following are equal? A) A polar curve is given by r = 3/2-cosθ. The slope of the curve at θ = pi/2 is
Please Help!? Since UV rays only span to exist to 420nm and UV rays damage cell tissue, do wavelengths greater have the same damaging effects? What is the frequency (in reciprocal seconds) of electromagnetic radiation with a wavelength of 1.45 cm? Enter in scientific notation?