MEDIUM
12th ICSE
IMPORTANT
Earn 100

A beam of monochromatic light of wavelength 500 nm falls on two parallel slits. The distance between the slits is 0.15 mm. Determine the width of the interference fringes on a screen placed at a distance of 1.5 m from the slits.

Important Questions on Interference of Light

HARD
12th ICSE
IMPORTANT

A double-slit is illuminated by light of wavelength 6000 . The slits are 0.1 cm apart and the screen is placed 1 m away. Find the angular position of the 10th maximum in radian and the separation between two adjacent minima.

HARD
12th ICSE
IMPORTANT

In Young’s double-slit experiment, the slits are separated by 0.24 mm. The screen is 1.2 m away from the slits. The fringe-width is 0.3 cm. Find the wavelength of light used

MEDIUM
12th ICSE
IMPORTANT

In Young’s experiment, what will be the phase difference and the path difference between the light waves reaching the third bright fringe from the central fringe?

MEDIUM
12th ICSE
IMPORTANT

In Young’s experiment, what will be the phase difference and the path difference between the light waves reaching the third dark fringe from the central fringe?

MEDIUM
12th ICSE
IMPORTANT

The two slits in Young’s double-slit experiment are separated by a distance of 0.03 cm. When light of wavelength 5000  falls on the slits, an interference pattern is produced on a screen 1.5 m away. Find the distance of 4th bright fringe from the central maximum.

HARD
12th ICSE
IMPORTANT

In Young’s double-slit experiment, the slits are 0.2 mm apart and the screen is 1.5 m away. The distance between the central bright fringe and the fourth dark fringe is 1.8 cm. Find the wavelength of light used.

HARD
12th ICSE
IMPORTANT

In Young’s double-slit experiment, light of wavelength 5000  is used. The third bright band on the screen is formed at a distance of 1 cm from the central bright band. If the screen is at a distance of 1.5 m from the centre of the two narrow slits, calculate the separation between the slits.

HARD
12th ICSE
IMPORTANT

The light used in Young’s double-slit experiment has a frequency of 6.0×1014s1. The distance between the centres of adjacent bright fringes is 0.75 mm. If the screen is 1.5 m away, what is the distance between the slits?