MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Mixture of Colours

If a torch is...

Question

If a torch is used in place of monochromatic light in Young's experiment what will happens?

A

Fringe will appear for a moment then, it will disappear

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

Fringes will occur as from monochromatic light

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

Only bright fringes will appear

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

No fringes will appear

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D No fringes will appear
If we touch light in place of monochromatic light then overlapping of fringe pattern take place. Hence no fringe will appear.

Suggest Corrections

thumbs-up

0

Similar questions

Q. What is interference? Derive the conditions to obtain constructive and destructive interferences.
If a white light source is used in place of monochromatic source of light in young's double slit experiment then what will be the effect on interference fringes.

Q. Assertion : In Young's double slit experiment if wavelength of incident monochromatic light is just doubled, number of bright fringe on the screen will increase.
Reason : Maximum number of bright fringe on the screen is directly proportional to the wavelength of light used.

Q. If the source of light used in a Young's double slit experiment is changed from red to violet,
(a) the fringes will become brighter
(b) consecutive fringes will come closer
(c) the intensity of minima will increase
(d) the central bright fringe will become a dark fringe

Q. In a Youngs double experiment, the slits are

1.5 m m

apart. When the slits are illuminated by a monochromatic light source and the screen is kept

1 m

apart from the slits, width of

10

fringes is measured as

3.93 m m

. Calculate the wavelength of light used. What will be the width of

10

fringes when the distance between the slits and the screen is increased by

0.5 m

. The source of light used remains the same.

Q. What will be the effect on the width of the central bright fringe in the diffraction pattern of a single slit if:

(1)

Monochromatic light of smaller wavelength is used.

(2)

Slit is made narrower

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Fringe Width

PHYSICS

Watch in App

explore_more_icon

Explore more

Mixture of Colours

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon