NEET Physics: Questions 1135 - 1138 of 2099
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Question number: 1135
Question number: 1136
Question number: 1137
In Young’s double slit experiment the two slits are illuminated by light of wavelength 5890 Å and the angular separation between the fringes obtained on the screen is 0.2°. If the whole apparatus is immersed in water then the angular fringe width will be, if the refractive index of water is 4/3?
Question number: 1138
In figure the energy level diagram of an atom with one electron knocked out is shown. Which of the following relation is true?
( is frequency of K β X-ray of a material, is frequency of K α X-ray of same material and is the frequency of L α X-ray of same material)