Coherent Sources of Light and interference of Light Constructive, Distractive
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283325 A monochromatic source of wavelength \(600 \mathrm{~nm}\) was used in Young's double slit experiment to produce interference pattern. \(I_1\) is the intensity of light at a point on the screen where the path difference is \(150 \mathrm{~nm}\). The intensity of light at a point where the path difference is \(200 \mathrm{~nm}\) is given by

1 \(\frac{1}{2} I_1\)
2 \(\frac{3}{2} I_1\)
3 \(\frac{2}{3} \mathrm{I}_1\)
4 \(\frac{3}{4} I_1\)
5 \(\frac{4}{3} \mathrm{I}_1\)
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283326 In Young's double slit experiment, the distance between the slits is \(0.5 \mathrm{~mm}\) and the distance between the screen and sources is \(50 \mathrm{~cm}\). If a light of wavelength \(5000 \AA\) is used and the total set up is immersed in a liquid of refractive index 1.5 , then the fringe width is

1 \(9.3 \mathrm{~mm}\)
2 \(0.5 \mathrm{~mm}\)
3 \(3.3 \mathrm{~mm}\)
4 \(0.33 \mathrm{~mm}\)
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283327 In a double slit experiment two interference patterns are seen on the screen. One pattern is due to light of wavelength \(500 \mathrm{~nm}\) and second pattern is due to light of wavelength \(400 \mathrm{~nm}\). The distance between the slits is \(2.5 \mathrm{~mm}\) and the distance of screen from slits is \(1 \mathrm{~m}\). The separation on the screen between the fifth order \((m=5)\) bright fringes of two interference patterns will be

1 \(0.2 \mathrm{~mm}\)
2 \(0.4 \mathrm{~mm}\)
3 \(0.08 \mathrm{~mm}\)
4 \(0.06 \mathrm{~mm}\)
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283329 In Young's experiment for the interference of light, the separation between the slits is a and the distance of the screen from the slits is D. If \(D\) is increased by \(0.5 \%\) and \(a\) is decreased by \(0.3 \%\) then for the light of a given wavelength, which one of the following is true?
"The fringe width

1 increase by \(0.8 \%\)
2 decreases by \(0.8 \%\)
3 increases by \(0.2 \%\)
4 decreases by \(0.2 \%\)
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283325 A monochromatic source of wavelength \(600 \mathrm{~nm}\) was used in Young's double slit experiment to produce interference pattern. \(I_1\) is the intensity of light at a point on the screen where the path difference is \(150 \mathrm{~nm}\). The intensity of light at a point where the path difference is \(200 \mathrm{~nm}\) is given by

1 \(\frac{1}{2} I_1\)
2 \(\frac{3}{2} I_1\)
3 \(\frac{2}{3} \mathrm{I}_1\)
4 \(\frac{3}{4} I_1\)
5 \(\frac{4}{3} \mathrm{I}_1\)
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283326 In Young's double slit experiment, the distance between the slits is \(0.5 \mathrm{~mm}\) and the distance between the screen and sources is \(50 \mathrm{~cm}\). If a light of wavelength \(5000 \AA\) is used and the total set up is immersed in a liquid of refractive index 1.5 , then the fringe width is

1 \(9.3 \mathrm{~mm}\)
2 \(0.5 \mathrm{~mm}\)
3 \(3.3 \mathrm{~mm}\)
4 \(0.33 \mathrm{~mm}\)
WAVE OPTICS

283327 In a double slit experiment two interference patterns are seen on the screen. One pattern is due to light of wavelength \(500 \mathrm{~nm}\) and second pattern is due to light of wavelength \(400 \mathrm{~nm}\). The distance between the slits is \(2.5 \mathrm{~mm}\) and the distance of screen from slits is \(1 \mathrm{~m}\). The separation on the screen between the fifth order \((m=5)\) bright fringes of two interference patterns will be

1 \(0.2 \mathrm{~mm}\)
2 \(0.4 \mathrm{~mm}\)
3 \(0.08 \mathrm{~mm}\)
4 \(0.06 \mathrm{~mm}\)
WAVE OPTICS

283329 In Young's experiment for the interference of light, the separation between the slits is a and the distance of the screen from the slits is D. If \(D\) is increased by \(0.5 \%\) and \(a\) is decreased by \(0.3 \%\) then for the light of a given wavelength, which one of the following is true?
"The fringe width

1 increase by \(0.8 \%\)
2 decreases by \(0.8 \%\)
3 increases by \(0.2 \%\)
4 decreases by \(0.2 \%\)
WAVE OPTICS

283325 A monochromatic source of wavelength \(600 \mathrm{~nm}\) was used in Young's double slit experiment to produce interference pattern. \(I_1\) is the intensity of light at a point on the screen where the path difference is \(150 \mathrm{~nm}\). The intensity of light at a point where the path difference is \(200 \mathrm{~nm}\) is given by

1 \(\frac{1}{2} I_1\)
2 \(\frac{3}{2} I_1\)
3 \(\frac{2}{3} \mathrm{I}_1\)
4 \(\frac{3}{4} I_1\)
5 \(\frac{4}{3} \mathrm{I}_1\)
WAVE OPTICS

283326 In Young's double slit experiment, the distance between the slits is \(0.5 \mathrm{~mm}\) and the distance between the screen and sources is \(50 \mathrm{~cm}\). If a light of wavelength \(5000 \AA\) is used and the total set up is immersed in a liquid of refractive index 1.5 , then the fringe width is

1 \(9.3 \mathrm{~mm}\)
2 \(0.5 \mathrm{~mm}\)
3 \(3.3 \mathrm{~mm}\)
4 \(0.33 \mathrm{~mm}\)
WAVE OPTICS

283327 In a double slit experiment two interference patterns are seen on the screen. One pattern is due to light of wavelength \(500 \mathrm{~nm}\) and second pattern is due to light of wavelength \(400 \mathrm{~nm}\). The distance between the slits is \(2.5 \mathrm{~mm}\) and the distance of screen from slits is \(1 \mathrm{~m}\). The separation on the screen between the fifth order \((m=5)\) bright fringes of two interference patterns will be

1 \(0.2 \mathrm{~mm}\)
2 \(0.4 \mathrm{~mm}\)
3 \(0.08 \mathrm{~mm}\)
4 \(0.06 \mathrm{~mm}\)
WAVE OPTICS

283329 In Young's experiment for the interference of light, the separation between the slits is a and the distance of the screen from the slits is D. If \(D\) is increased by \(0.5 \%\) and \(a\) is decreased by \(0.3 \%\) then for the light of a given wavelength, which one of the following is true?
"The fringe width

1 increase by \(0.8 \%\)
2 decreases by \(0.8 \%\)
3 increases by \(0.2 \%\)
4 decreases by \(0.2 \%\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
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283325 A monochromatic source of wavelength \(600 \mathrm{~nm}\) was used in Young's double slit experiment to produce interference pattern. \(I_1\) is the intensity of light at a point on the screen where the path difference is \(150 \mathrm{~nm}\). The intensity of light at a point where the path difference is \(200 \mathrm{~nm}\) is given by

1 \(\frac{1}{2} I_1\)
2 \(\frac{3}{2} I_1\)
3 \(\frac{2}{3} \mathrm{I}_1\)
4 \(\frac{3}{4} I_1\)
5 \(\frac{4}{3} \mathrm{I}_1\)
WAVE OPTICS

283326 In Young's double slit experiment, the distance between the slits is \(0.5 \mathrm{~mm}\) and the distance between the screen and sources is \(50 \mathrm{~cm}\). If a light of wavelength \(5000 \AA\) is used and the total set up is immersed in a liquid of refractive index 1.5 , then the fringe width is

1 \(9.3 \mathrm{~mm}\)
2 \(0.5 \mathrm{~mm}\)
3 \(3.3 \mathrm{~mm}\)
4 \(0.33 \mathrm{~mm}\)
WAVE OPTICS

283327 In a double slit experiment two interference patterns are seen on the screen. One pattern is due to light of wavelength \(500 \mathrm{~nm}\) and second pattern is due to light of wavelength \(400 \mathrm{~nm}\). The distance between the slits is \(2.5 \mathrm{~mm}\) and the distance of screen from slits is \(1 \mathrm{~m}\). The separation on the screen between the fifth order \((m=5)\) bright fringes of two interference patterns will be

1 \(0.2 \mathrm{~mm}\)
2 \(0.4 \mathrm{~mm}\)
3 \(0.08 \mathrm{~mm}\)
4 \(0.06 \mathrm{~mm}\)
WAVE OPTICS

283329 In Young's experiment for the interference of light, the separation between the slits is a and the distance of the screen from the slits is D. If \(D\) is increased by \(0.5 \%\) and \(a\) is decreased by \(0.3 \%\) then for the light of a given wavelength, which one of the following is true?
"The fringe width

1 increase by \(0.8 \%\)
2 decreases by \(0.8 \%\)
3 increases by \(0.2 \%\)
4 decreases by \(0.2 \%\)