CUET-UG SERIES Physics
Youngs Double Slit Experiment
4 previous year questions.
Volume: 4 Ques
Yield: Medium
High-Yield Trend
1
2023 3
2022 Chapter Questions 4 MCQs
01
PYQ 2022
medium
physics ID: cuet-ug-
In young's double slit experiment, the separation between slits is halved and distance between this sleets and screen is doubled.The Fringe width will be :
1
unchanged
2
halved
3
doubled
4
quadrupled
02
PYQ 2022
medium
physics ID: cuet-ug-
In Young’s double slit experiment, an interference pattern is obtained on the screen.If one of the slits is closed, then :
1
Intensity and with the central maximum increase
2
Intensity and with the central maximum decrease
3
intensity of Central maximum decreases and while width of central maximum increases
4
intensity of Central maximum increases and while width of central maximum decreases
03
PYQ 2022
medium
physics ID: cuet-ug-
In Young’s double slit experiment the Fringe width is 0.4 mm. if the whole apparatus is immeresed in water of refractive index 4 / 3 without changing its geometry the new Fringe width will be :
1
0.53mm
2
0.4 mm
3
0.3 mm
4
540 Ξm
04
PYQ 2023
medium
physics ID: cuet-ug-
In Young's double slit experiment, yellow light of wavelength 640 nm produces fringes of width 0.8 mm. What will be the fringe width if the light source is replaced by another monochromatic source of wavelength 720 nm and the separation between the slits is made thrice?
1
2.4 mm
2
2.7 mm
3
0.3 mm
4
0.03 mm