Young’s Double Slit Experiment
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PHXII10:WAVE OPTICS

368141 In the Young's double slit experiment using sodium light (\(\lambda = 5898\) \( \mathop A^{~~\circ} \)), 92 fringes are seen. If the green colour light (\(\lambda = 5461\) \( \mathop A^{~~\circ} \)) is used, how many fringes will be seen

1 62
2 67
3 75
4 99
PHXII10:WAVE OPTICS

368142 Young’s double slit experiment is carried out by using green, red and blue light, one colour at a time. The fringe width recorded are \({\beta _{G,}}\,{\beta _R}\) and \({\beta _{B,}}\) respectively. Then

1 \({\beta _G} > {\beta _B} > {\beta _R}\)
2 \({\beta _B} > {\beta _G} > {\beta _R}\)
3 \({\beta _R} > {\beta _B} > {\beta _G}\)
4 \({\beta _R} > {\beta _G} > {\beta _B}\)
PHXII10:WAVE OPTICS

368143 Assertion :
In Young’s experiment the fringe width for dark fringe is same from that for white fringes.
Reason :
In Young’s double slit experiment, when a source of white light is used, then only black and bright fringes are observed.

1 Both Assertion and Reasons are true and the Reason is a correct explanation of the Assertion.
2 Both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.
3 Assertion is true but the Reason is false.
4 Assertion is false but Reason is true.
PHXII10:WAVE OPTICS

368038 Consider the following statements in case of Young’s double slit experiment.
I. A slit \(S\) is necessary if we use an ordinary extended source of light
II. A slit \(S\) is not needed if we use an ordinary but well collimated beam of light.
III. A slit \(S\) is not needed if we use a spatially coherent source of light.
Which of the above statements are correct ?

1 I, II and III
2 I and II
3 II and III
4 I and III
KCET - 2011
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PHXII10:WAVE OPTICS

368141 In the Young's double slit experiment using sodium light (\(\lambda = 5898\) \( \mathop A^{~~\circ} \)), 92 fringes are seen. If the green colour light (\(\lambda = 5461\) \( \mathop A^{~~\circ} \)) is used, how many fringes will be seen

1 62
2 67
3 75
4 99
PHXII10:WAVE OPTICS

368142 Young’s double slit experiment is carried out by using green, red and blue light, one colour at a time. The fringe width recorded are \({\beta _{G,}}\,{\beta _R}\) and \({\beta _{B,}}\) respectively. Then

1 \({\beta _G} > {\beta _B} > {\beta _R}\)
2 \({\beta _B} > {\beta _G} > {\beta _R}\)
3 \({\beta _R} > {\beta _B} > {\beta _G}\)
4 \({\beta _R} > {\beta _G} > {\beta _B}\)
PHXII10:WAVE OPTICS

368143 Assertion :
In Young’s experiment the fringe width for dark fringe is same from that for white fringes.
Reason :
In Young’s double slit experiment, when a source of white light is used, then only black and bright fringes are observed.

1 Both Assertion and Reasons are true and the Reason is a correct explanation of the Assertion.
2 Both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.
3 Assertion is true but the Reason is false.
4 Assertion is false but Reason is true.
PHXII10:WAVE OPTICS

368038 Consider the following statements in case of Young’s double slit experiment.
I. A slit \(S\) is necessary if we use an ordinary extended source of light
II. A slit \(S\) is not needed if we use an ordinary but well collimated beam of light.
III. A slit \(S\) is not needed if we use a spatially coherent source of light.
Which of the above statements are correct ?

1 I, II and III
2 I and II
3 II and III
4 I and III
KCET - 2011
For More Updates join with Us
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PHXII10:WAVE OPTICS

368141 In the Young's double slit experiment using sodium light (\(\lambda = 5898\) \( \mathop A^{~~\circ} \)), 92 fringes are seen. If the green colour light (\(\lambda = 5461\) \( \mathop A^{~~\circ} \)) is used, how many fringes will be seen

1 62
2 67
3 75
4 99
PHXII10:WAVE OPTICS

368142 Young’s double slit experiment is carried out by using green, red and blue light, one colour at a time. The fringe width recorded are \({\beta _{G,}}\,{\beta _R}\) and \({\beta _{B,}}\) respectively. Then

1 \({\beta _G} > {\beta _B} > {\beta _R}\)
2 \({\beta _B} > {\beta _G} > {\beta _R}\)
3 \({\beta _R} > {\beta _B} > {\beta _G}\)
4 \({\beta _R} > {\beta _G} > {\beta _B}\)
PHXII10:WAVE OPTICS

368143 Assertion :
In Young’s experiment the fringe width for dark fringe is same from that for white fringes.
Reason :
In Young’s double slit experiment, when a source of white light is used, then only black and bright fringes are observed.

1 Both Assertion and Reasons are true and the Reason is a correct explanation of the Assertion.
2 Both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.
3 Assertion is true but the Reason is false.
4 Assertion is false but Reason is true.
PHXII10:WAVE OPTICS

368038 Consider the following statements in case of Young’s double slit experiment.
I. A slit \(S\) is necessary if we use an ordinary extended source of light
II. A slit \(S\) is not needed if we use an ordinary but well collimated beam of light.
III. A slit \(S\) is not needed if we use a spatially coherent source of light.
Which of the above statements are correct ?

1 I, II and III
2 I and II
3 II and III
4 I and III
KCET - 2011
NEET DIGITAL LIBRARY
PHXII10:WAVE OPTICS

368141 In the Young's double slit experiment using sodium light (\(\lambda = 5898\) \( \mathop A^{~~\circ} \)), 92 fringes are seen. If the green colour light (\(\lambda = 5461\) \( \mathop A^{~~\circ} \)) is used, how many fringes will be seen

1 62
2 67
3 75
4 99
PHXII10:WAVE OPTICS

368142 Young’s double slit experiment is carried out by using green, red and blue light, one colour at a time. The fringe width recorded are \({\beta _{G,}}\,{\beta _R}\) and \({\beta _{B,}}\) respectively. Then

1 \({\beta _G} > {\beta _B} > {\beta _R}\)
2 \({\beta _B} > {\beta _G} > {\beta _R}\)
3 \({\beta _R} > {\beta _B} > {\beta _G}\)
4 \({\beta _R} > {\beta _G} > {\beta _B}\)
PHXII10:WAVE OPTICS

368143 Assertion :
In Young’s experiment the fringe width for dark fringe is same from that for white fringes.
Reason :
In Young’s double slit experiment, when a source of white light is used, then only black and bright fringes are observed.

1 Both Assertion and Reasons are true and the Reason is a correct explanation of the Assertion.
2 Both Assertion and Reason are true but Reason is not a correct explanation of the Assertion.
3 Assertion is true but the Reason is false.
4 Assertion is false but Reason is true.
PHXII10:WAVE OPTICS

368038 Consider the following statements in case of Young’s double slit experiment.
I. A slit \(S\) is necessary if we use an ordinary extended source of light
II. A slit \(S\) is not needed if we use an ordinary but well collimated beam of light.
III. A slit \(S\) is not needed if we use a spatially coherent source of light.
Which of the above statements are correct ?

1 I, II and III
2 I and II
3 II and III
4 I and III
KCET - 2011
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