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Two slits in Young’s experiment have widths in the ratio 1 : 25. The ratio of intensity at the maxima and minima in the interference pattern,
is:
A.
B.
C.
D.
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- 1)
A silicon monoxide ( = 1.45) film of 100 nm thickness is used to coat a glass camera lens ( = 1.56). What wavelength of light in the visible region will be most efficiently transmitted by this system?
- 2)
In a single slit diffraction experiment, light of wavelength 600 nm is used and the first minimum is observed at an angle of 30°. The width of the slit is:
- 3)Using light from a monochromatic source to study diffraction in a single slit of width 0.1 mm, the lines width of central maxima is measured to be 5 mm on a screen held 50 cm away. The wavelength of light used is __________.
Fill in the blank with the correct answer from the options given below. - 4)Two slits are made 0.1 mm apart and the screen is placed 2 m away. The fringe separation when a light of wavelength 500 nm is used is _______________.
Fill in the blank with the correct answer from the option given below. - 5)
The position of the image produced by a concave mirror when an object is placed at a distance such that light rays from the object are parallel to the principal axis is:
- 6)A mirror producing a virtual image larger than the object is:
- 7)Two coherent sources of light interfere and produce fringe pattern on a screen. For central maximum, the phase difference between the two waves will be,
- 8)If the monochromatic source in Young’s double slit experiment is replaced by white light, then
- 9)An unpolarised light beam strikes a glass surface at Brewster’s angle. Then
- 10)In a Young’s double slit experiment, a student observes 8 fringes in a certain segment of screen when a monochromatic light of 600 nm wavelength is used. If the wavelength of light is changed to 400 nm, then the number of fringes he would observe in the same region of the screen is
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Similar Questions
- 1)
A silicon monoxide ( = 1.45) film of 100 nm thickness is used to coat a glass camera lens ( = 1.56). What wavelength of light in the visible region will be most efficiently transmitted by this system?
- 2)
In a single slit diffraction experiment, light of wavelength 600 nm is used and the first minimum is observed at an angle of 30°. The width of the slit is:
- 3)Using light from a monochromatic source to study diffraction in a single slit of width 0.1 mm, the lines width of central maxima is measured to be 5 mm on a screen held 50 cm away. The wavelength of light used is __________.
Fill in the blank with the correct answer from the options given below. - 4)Two slits are made 0.1 mm apart and the screen is placed 2 m away. The fringe separation when a light of wavelength 500 nm is used is _______________.
Fill in the blank with the correct answer from the option given below. - 5)
The position of the image produced by a concave mirror when an object is placed at a distance such that light rays from the object are parallel to the principal axis is:
- 6)A mirror producing a virtual image larger than the object is:
- 7)Two coherent sources of light interfere and produce fringe pattern on a screen. For central maximum, the phase difference between the two waves will be,
- 8)If the monochromatic source in Young’s double slit experiment is replaced by white light, then
- 9)An unpolarised light beam strikes a glass surface at Brewster’s angle. Then
- 10)In a Young’s double slit experiment, a student observes 8 fringes in a certain segment of screen when a monochromatic light of 600 nm wavelength is used. If the wavelength of light is changed to 400 nm, then the number of fringes he would observe in the same region of the screen is