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Old Saturday, February 01, 2014
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Quote:
Originally Posted by KHANSHAHRUKH View Post

2. Waves having shortest wavelength among radio, infrared, ultraviolet and x-rays?
a) Radio waves(Imtiaz Shahid p232)
b) infrared(Dictionary)
In electromagnetic spectrum the shortest wavelength posses by gamma rays, then next range is of x-rays, next to is ultravoilet, then infrared region comes, so in question gamma rays are excluded therefore correct answer will be x-rays.
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