interference practice questions
Quiz
•
Physics
•
University
•
Hard
Ambika Tundwal
Used 7+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Newton's ring experiment, predict, what will happen if a few drops of a transparent liquid introduced between the lens and plate?
The diameters of fringes contracted.
The diameters of fringes remain same.
The diameters of fringes increased.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why the colors of thin films in reflected and transmitted light are complimentry?
Due to additional path difference of
in reflected raysDue to additional path difference of in transmitted rays
No additional path difference in reflected rays
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If Young's apparatus is immersed in water, the effect on the fringe width will
Remain same
Decrease
Increase
Can't say
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the angle
of the biprism is increased, thenThe distance between two virtual sources would increase.
Fringe width is decreased
The distance between two virtual sources would increase and the fringe width is decreased
None f these
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Newton's ring experiment, if the monochromatic source of light is replaced by another monochromatic source of higher wavelength, what will be the affect on the radius of the rings.
The radius will Increase.
The radius will decrease.
The radius will same.
There is uniform illumination.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the young's double slit experiment, the distance between the slits is 0.2 mm and screen is at a distance 1 m. The third bright fringe is at a distance 7.5 mm from the central fringe. Find the wavelength of light used.
5500Å
6000Å
5000Å
4500Å
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the Young's double slit experiment, the angular width of fringe formed on a distant screen is 0.10. The wavelength of light used is 4000 Å. Find the spacing between the slits?
0.345 mm
0.230 mm
0.435 mm
0.320 mm
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