MyQuestionIcon

1

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

Fringe Width

angular width...

Question

angular width of the first minimum on the other side of the central maximum due to a single slit of width a illuminated by a light of wavelength Lambda is

Open in App

Solution

Suggest Corrections

thumbs-up

3

Similar questions

Q. A single slit of width b is illuminated by a coherent monochromatic light of wavelength

λ

. If the second and fourth minima in the diffraction pattern at a distance 1 m from the slit are at

3

6

cm respectively from the central maximum, what is the width of the central maximum? (i.e. distance between first minimum on either side of the central maximum)

Q. A single slit of width

a

is illuminated by violet light of wavelength

400 nm

. The width of the central maximum is measured as

y

. When half of the slit width is covered and illuminated by yellow light of wavelength

600 nm

, the width of the central maximum is,

Q. The angular width

Δ θ

of the central maximum in the diffraction pattern of a slit illuminated by light of wavelength

500 nm

is measured. The angular width of the central maximum is found to increase by

25 %

, when the same slit is illuminated by another light of wavelength

λ^{'}

. Then wavelength

λ^{'}

Q. A single slit of width

a

is illuminated by violet light of wavelength

4000 ˙ A

and the width of the central maximum is measured as

y

. When half of the slit width is covered and illuminated by yellow light of wavelength

6000 ˙ A

, the width of the central maxima is

Q. The angular width of the central maximum in the Fraunhofer diffraction pattern of a slit is measured. The slit is illuminated by light of wavelength

6000 ˙ A

. When the slit is illuminated by light of another wavelength

(λ)

, the angular width decreases by

30 %

. Calculate the wavelength

(λ)

of this light in

˙ A

. The same decrease in the angular-width of central maximum is obtained when the original apparatus is immersed in a liquid. Find the refractive index

μ

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Diffraction II

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon