CUET PYQs for Youngs double slit experiment with Solutions: Practice CUET Previous Year Questions

Content Writer | Journalism Graduate | Updated 3+ months ago

Youngs double slit experiment is an important topic in the Physics section in CUET exam. Practising this topic will increase your score overall and make your conceptual grip on CUET exam stronger.

This article gives you a full set of CUET PYQs for Youngs double slit experiment with explanations for effective preparation. Practice of CUET Physics PYQs including Youngs double slit experiment questions regularly will improve accuracy, speed, and confidence in the CUET 2026 exam.

CUET PYQs for Youngs double slit experiment with Solutions

1.
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 :
- 0.53mm
- 0.4 mm
- 0.3 mm
- 540 μm
View Solution
2.
In Young’s double slit experiment, an interference pattern is obtained on the screen.If one of the slits is closed, then :
- Intensity and with the central maximum increase
- Intensity and with the central maximum decrease
- intensity of Central maximum decreases and while width of central maximum increases
- intensity of Central maximum increases and while width of central maximum decreases
View Solution
3.
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 :
- unchanged
- halved
- doubled
- quadrupled
View Solution
4.
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?
- 2.4 mm
- 2.7 mm
- 0.3 mm
- 0.03 mm
View Solution

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CUET PYQs for Youngs double slit experiment with Solutions

1.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 :

2.In Young’s double slit experiment, an interference pattern is obtained on the screen.If one of the slits is closed, then :

3.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 :

4.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?

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1.
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 :

2.
In Young’s double slit experiment, an interference pattern is obtained on the screen.If one of the slits is closed, then :

3.
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 :

4.
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?