Coherent Sources of Light and interference of Light Constructive, Distractive
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283233 If fringes width, \(\lambda=5.89 \times 10^{-5} \mathrm{~cm}\) is \(0.431 \mathrm{~mm}\) and shift of white central fringe on introducing a mica sheet in one path is \(1.89 \mathrm{~mm}\). Thickness of the mica sheet will be
\((\mu=1.59)\)

1 \(4.38 \times 10^{-6} \mathrm{~m}\)
2 \(5.38 \times 10^{-6} \mathrm{~m}\)
3 \(6.38 \times 10^{-6} \mathrm{~m}\)
4 none of these
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283234 In double slit experiment, the distance between two slits is \(0.6 \mathrm{~mm}\) and these are illuminated with light of wavelength \(4800 \AA\). The angular width of first dark fringe on the screen distant \(120 \mathrm{~cm}\) from slits will be:

1 \(8 \times 10^{-4} \mathrm{rad}\)
2 \(6 \times 10^{-4} \mathrm{rad}\)
3 \(4 \times 10^{-4} \mathrm{rad}\)
4 \(16 \times 10^{-4} \mathrm{rad}\)
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283235 In Young's double slit experiment, the aperture screen distance is \(2 \mathrm{~m}\). The slit width is \(1 \mathrm{~mm}\). Light of \(600 \mathrm{~nm}\) is used. If a thin plate of glass \((\mu=1.5\) ) of thickness \(0.06 \mathrm{~mm}\) is placed over one of the slits, then there will be a lateral displacement of the fringes by :

1 zero
2 \(5 \mathrm{~cm}\)
3 \(10 \mathrm{~cm}\)
4 \(15 \mathrm{~cm}\)
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283236 In Young's double slit experiment, the slit width and the distance of slits from the screen both are doubled. The fringe width :

1 increases
2 decreases
3 remains unchanged
4 none of the above
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
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283233 If fringes width, \(\lambda=5.89 \times 10^{-5} \mathrm{~cm}\) is \(0.431 \mathrm{~mm}\) and shift of white central fringe on introducing a mica sheet in one path is \(1.89 \mathrm{~mm}\). Thickness of the mica sheet will be
\((\mu=1.59)\)

1 \(4.38 \times 10^{-6} \mathrm{~m}\)
2 \(5.38 \times 10^{-6} \mathrm{~m}\)
3 \(6.38 \times 10^{-6} \mathrm{~m}\)
4 none of these
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283234 In double slit experiment, the distance between two slits is \(0.6 \mathrm{~mm}\) and these are illuminated with light of wavelength \(4800 \AA\). The angular width of first dark fringe on the screen distant \(120 \mathrm{~cm}\) from slits will be:

1 \(8 \times 10^{-4} \mathrm{rad}\)
2 \(6 \times 10^{-4} \mathrm{rad}\)
3 \(4 \times 10^{-4} \mathrm{rad}\)
4 \(16 \times 10^{-4} \mathrm{rad}\)
WAVE OPTICS

283235 In Young's double slit experiment, the aperture screen distance is \(2 \mathrm{~m}\). The slit width is \(1 \mathrm{~mm}\). Light of \(600 \mathrm{~nm}\) is used. If a thin plate of glass \((\mu=1.5\) ) of thickness \(0.06 \mathrm{~mm}\) is placed over one of the slits, then there will be a lateral displacement of the fringes by :

1 zero
2 \(5 \mathrm{~cm}\)
3 \(10 \mathrm{~cm}\)
4 \(15 \mathrm{~cm}\)
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283236 In Young's double slit experiment, the slit width and the distance of slits from the screen both are doubled. The fringe width :

1 increases
2 decreases
3 remains unchanged
4 none of the above
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283233 If fringes width, \(\lambda=5.89 \times 10^{-5} \mathrm{~cm}\) is \(0.431 \mathrm{~mm}\) and shift of white central fringe on introducing a mica sheet in one path is \(1.89 \mathrm{~mm}\). Thickness of the mica sheet will be
\((\mu=1.59)\)

1 \(4.38 \times 10^{-6} \mathrm{~m}\)
2 \(5.38 \times 10^{-6} \mathrm{~m}\)
3 \(6.38 \times 10^{-6} \mathrm{~m}\)
4 none of these
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283234 In double slit experiment, the distance between two slits is \(0.6 \mathrm{~mm}\) and these are illuminated with light of wavelength \(4800 \AA\). The angular width of first dark fringe on the screen distant \(120 \mathrm{~cm}\) from slits will be:

1 \(8 \times 10^{-4} \mathrm{rad}\)
2 \(6 \times 10^{-4} \mathrm{rad}\)
3 \(4 \times 10^{-4} \mathrm{rad}\)
4 \(16 \times 10^{-4} \mathrm{rad}\)
WAVE OPTICS

283235 In Young's double slit experiment, the aperture screen distance is \(2 \mathrm{~m}\). The slit width is \(1 \mathrm{~mm}\). Light of \(600 \mathrm{~nm}\) is used. If a thin plate of glass \((\mu=1.5\) ) of thickness \(0.06 \mathrm{~mm}\) is placed over one of the slits, then there will be a lateral displacement of the fringes by :

1 zero
2 \(5 \mathrm{~cm}\)
3 \(10 \mathrm{~cm}\)
4 \(15 \mathrm{~cm}\)
WAVE OPTICS

283236 In Young's double slit experiment, the slit width and the distance of slits from the screen both are doubled. The fringe width :

1 increases
2 decreases
3 remains unchanged
4 none of the above
WAVE OPTICS

283233 If fringes width, \(\lambda=5.89 \times 10^{-5} \mathrm{~cm}\) is \(0.431 \mathrm{~mm}\) and shift of white central fringe on introducing a mica sheet in one path is \(1.89 \mathrm{~mm}\). Thickness of the mica sheet will be
\((\mu=1.59)\)

1 \(4.38 \times 10^{-6} \mathrm{~m}\)
2 \(5.38 \times 10^{-6} \mathrm{~m}\)
3 \(6.38 \times 10^{-6} \mathrm{~m}\)
4 none of these
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283234 In double slit experiment, the distance between two slits is \(0.6 \mathrm{~mm}\) and these are illuminated with light of wavelength \(4800 \AA\). The angular width of first dark fringe on the screen distant \(120 \mathrm{~cm}\) from slits will be:

1 \(8 \times 10^{-4} \mathrm{rad}\)
2 \(6 \times 10^{-4} \mathrm{rad}\)
3 \(4 \times 10^{-4} \mathrm{rad}\)
4 \(16 \times 10^{-4} \mathrm{rad}\)
WAVE OPTICS

283235 In Young's double slit experiment, the aperture screen distance is \(2 \mathrm{~m}\). The slit width is \(1 \mathrm{~mm}\). Light of \(600 \mathrm{~nm}\) is used. If a thin plate of glass \((\mu=1.5\) ) of thickness \(0.06 \mathrm{~mm}\) is placed over one of the slits, then there will be a lateral displacement of the fringes by :

1 zero
2 \(5 \mathrm{~cm}\)
3 \(10 \mathrm{~cm}\)
4 \(15 \mathrm{~cm}\)
WAVE OPTICS

283236 In Young's double slit experiment, the slit width and the distance of slits from the screen both are doubled. The fringe width :

1 increases
2 decreases
3 remains unchanged
4 none of the above