Home
Class 12
PHYSICS
In a Young's double-slit experiment , th...

In a Young's double-slit experiment , the slits are separated by `0.28` mm and screen is placed `1.4` m away . The distance between the central bright fringe and the fourth bright fringe is measured to be `1.2` cm . Determine the wavelength of light used in the experiment .

Text Solution

Verified by Experts

The correct Answer is:
6000 Å
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • WAVE OPTICS

    SL ARORA|Exercise Based on Lloyd s Mirror and Fresnel Biprism|11 Videos

  • WAVE OPTICS

    SL ARORA|Exercise Based on Intensity Distribution in interference pattern|80 Videos

  • WAVE OPTICS

    SL ARORA|Exercise Based on Wave nature of light|12 Videos

  • UNIVERSE

    SL ARORA|Exercise PROBLEM_TYPE|6 Videos

Similar Questions

Explore conceptually related problems

In a Young's double-slit experiment, the slits are separated by 0.28 mm and the screen is placed 1.4 away. The distance between the central bright fringe and the fourth bright fringe in measured to be 1.2 cm. determine the wavelength of light used in the experiment.

In YDSE, the slits are seperated by 0.28 mm and the screen is placed 1.4 m away. The distance between the first dark fringe and fourth bright fringe is obtained to be 0.6 cm Determine the wavelength of the light used in the experiment.

Knowledge Check

  • In a Young's double slit experiment two slits are separated by 2 mm and the screen is placed one meter away. When a light of wavelength 500 nm is used, the fringe separation will be:

    A
    0.25 mm
    B
    0.50 mm
    C
    0.75 mm
    D
    1 mm

  • In Young's experiement, the distance between slits is 0.28mm and distance between slits and screen is 1.4m . Distance between central bright fringe and third bright fringe is 0.9cm . What is the wavelength of used light?

    A
    (a) `5000Å`
    B
    (b) `6000Å`
    C
    (c) `7000Å`
    D
    (d) `9000Å`

  • In certain Young's double slit experiment, the slit separation is 0.05 cm. The slit to screen distance is 100 cm. When blue light is used, the distance from central fringe to the fourth order bright fringe is 0.36 cm. what is thr wavelength of blue light

    A
    `4000Å`
    B
    `4300Å`
    C
    `4400Å`
    D
    `4500Å`

    • Similar Questions

    Explore conceptually related problems

    What are coherent sources? Why are coherent sources required to produce interference of light? Give an example of interference of light in everyday life. In Young's double-slit experiment, the two slits are 0.03 cm apart and the screen is placed at a distance of 1.5 m away from the slits. The distance between the central bright fringe and fourth bright fringe is 1 cm. Calculate the wavelength of light used.

    In Young's double-slit experiment, a screen is placed 1.5 m away from slits which are 0.03 cm apart. The distance between the central bright fringe and fourth bright fringe is 1 cm. Calculate the wavelength of light used.

    In Young's double slit experiment, the slits are 0.2 mm apart and the screen is 1.5 m away. It is observed that the distance between the central bright fringe and fourth dark fringe is 1.8 cm . Calculate wavelength of light used.

    In a Young's double slit experiment the slits separated by 0.3 mm and screen is 1.5 m awavy from the plane of slits .Distance between fourth bright fringes on both sides of central bright fringe is 2.4 cm .The frequency of light used is ______ xx10^(14)Hz .

    In YDSE, the slits are separated by 0.5 mm and screen is placed 1.0 m away. It is found that the ninth bright fringe is at a distance of 8.835 mm from the second dark fringe. Find the wavelength of light used.

    Home
    Profile