a parallel beam of monochromatic light ofwavelength 5000 A is inCident normally on a narrow slit of width of 0.001 mm. The light is focussed by Convex lens on a screen placed on focal plane.The central maxima is formed in the angular width of (1) 30^° (2) 60^° (3) 45^° (4)90^°

Open in App

Solution

Suggest Corrections

Similar questions

Q. A parallel beam of monochromatic light of wavelength 5000 A is incident on a single narrow slit of width 0.001 mm. The light is focussed by a convex lens on a screen placed on focal plane. The first minimum will be formed formed for the angle of diffraction equal to

Q. A parallel beam of light

λ = 5000 A^{o}

falls normally on a single narrow slit of width

0.001 m m

. The light is focused by a convex lens on a screen placed in the focal plane. The first minimum will be formed for the angle of diffraction are equal to:

Q. A parallel beam of light of wavelength

6000 ˙ A

is incident normally on a slit of width

0.2 mm

. The diffraction pattern is observed on a screen which is placed at the focal plane of a convex lens of focal length

50 cm

. If the lens is placed close to the slit. The distance between the minimum on both sides of the central maximum will be

Q. Light of wavelength

589.3 nm

is incident normally on the slit of width

0.1 mm

. What will be the angular width of the central maximum, obtained on a screen placed at a distance of

1 m

from the slit?

A monochromatic light of wavelength λ is incident normally on a narrow slit of width 'a' to produce a diffraction pattern on the screen placed at a distance 'D' from the slit. With the help of relevant diagram, deduce the conditions for obtaining maxima and minima on the screen.

Join BYJU'S Learning Program