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its characteristic and working
Poisson spot (S.D. Poisson) Originally Poisson predicted the existence of such spot, and utilized the prediction to revel how the wave theory of light have to be in error to g
The frequency of a wave is 50 Hertz and its wavelength is 25 meters. What is the velocity of this wave? Ans: The velocity of given wave is 1250 meters/second.
Which of two, namely potentiometer and voltmeter is preferable to calculate the emf of a batter? Why? When is the series combination of cells advantageous and why?
In plane transmission grating the width of the each slit is same to half of the opaque portion. Which order of spectra will be absent?
Depending upon the penetration power, there are two parts of X-rays Hard X-rays More penetration power More frequency of the order of ≈ 1019 Hz Lesser wavelength range
An object moving with a speed better than the speed of sound is called to be move with a supersonic speed.
Give at least two differences between optical diffraction and optical interference phenomena.
#question.def.refraction
what is and gate
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