Test: Wave Optics - 1 - CUET Humanities MCQ
10 Questions MCQ Test Agriculture Practice Tests: CUET Preparation - Test: Wave Optics - 1
Yellow light is used in a single slit diffraction experiment with slit width 0.6 mm. If yellow light is replaced by X-rays, then the pattern will reveal
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A single slit of width 'd' is illuminated by a violet light of wavelength 400 nm, and the width of the diffraction pattern is measured as 'y'. When half of the slit width is covered and illuminated by yellow light of wavelength 600 nm, the width of the diffraction pattern is
In Young's double slit experiment with wavelength λ1, 7th maximum is found at distance d1 and with wavelength λ2, it is found at distance d2. Then, d1/d2 is equal to
= n
and 
2 are the wavelengths at d1 and d2 for the 7th maximum.) Or d1 = 
….(1)
….(2)
= 
Light of wavelength 600 nm illuminates a diffraction grating. The second-order maximum is at an angle of 39.5°. How many lines per millimetre does this grating have?
(sin 39.5° = 0.636)
Two waves of light are given by equations y1 = 6 cos 
t and y2 = 10 sin(
t + 
). The ratio of intensities at maxima and minima formed by superposition of these two waves is
In Young's experiment, when sodium light of wavelength 5893Å is used, then 62 fringes are seen in the field of view. If violet light of wavelength 4358Å is used, then the number of fringes that will be seen in the field of view will be
= 5893 
, n1 = 62, 
= 4358 
In Young's double slit experiment, the separation between the slits is halved and the distance between the slits and screen is doubled. Then, fringe-width will
Two coherent light beams of intensities I and 4I are superimposed. The maximum and minimum possible intensities in the resulting beam are respectively
= 1/4
= 
In Young's experiment, 70 fringes are observed in a field of vision if yellow light (λ = 5800Å) is used. How many fringes would be observed in the same field of vision if violet light (λ = 4358Å) is used?
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