Home
Class 12
PHYSICS
If the source of light used in a Young's...

If the source of light used in a Young's Double Slit experiment is changed from red to blue, then

A

the fringes will become brighter

B

consecutive fringes will come closer

C

the number of maxima formed on the screen increases

D

the central bright fringe will become a dark fringe.

Text Solution

Verified by Experts

The correct Answer is:
B, C
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • WAVE OPTICS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE - I) (INTERFERENCE & YDSE) Level - II (ADVANCED) Linked Comprehension type questions|6 Videos
  • WAVE OPTICS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE - I) (INTERFERENCE & YDSE) Level - II (ADVANCED) Matrix Match Type Questions|2 Videos
  • WAVE OPTICS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE - I) (INTERFERENCE & YDSE) Level - II (ADVANCED) (straight objective Type Questions)|31 Videos
  • WAVE MOTION AND SOUND

    AAKASH SERIES|Exercise PROBLEMS (LEVEL - II)|81 Videos
  • WAVES

    AAKASH SERIES|Exercise EXERCISE-III (Doppler effect :)|15 Videos

Similar Questions

Explore conceptually related problems

A parallel beam of monochromatic light is used in a Young.s double slit experiment . The slits are separated by a distance d and the screen is placed parallel to the plane of the slits . If the incident beam makes an angle theta= sin^(-1)((lambda)/(2d)) with the normal to the plane of the slits there will be .... at the centre P_(0) of the pattern .

What is the effect on the interference fringes in a Young's double-slit experiment due to each of the following operations : the source slit is moved closer to the double-slit plane,

Knowledge Check

  • If the width of the slit S in Young's double slit experiment is gradually increased

    A
    Bright fringes become brighter and dark fringes become darker
    B
    Bright fringes become less brighter, dark fringes become less dark
    C
    Bright fringes become brighter, dark fringes lighter
    D
    Bright fringes become less bright, dark fringes darker
  • If Young.s double slit apparatus is shifted from air to water, then

    A
    fringe width decreases
    B
    fringe width increases
    C
    fringe width remains same
    D
    fringe system disappers
  • I Young.s double slit experiment if one of the slits is closed

    A
    the central fringe is dark
    B
    the bright fringe nearest the central white fringe is violet
    C
    the bright fringe nearest the central white fringe is red
    D
    the fringe system is not formed
  • Similar Questions

    Explore conceptually related problems

    If the width of the slit S in Young.s double slit experiment is gradually increased

    In Young.s double slit expriment if one of the slits is closed

    A parallel beam of monochromatic light is used in a Young's double slit experiment. The slits are separated by a distance d and the screen is placed parallel to the plane of the slits. If the incident beam makes an angle theta = sin^(-1)((lambda)/(2d)) with the normal to the plane of the slits, there will be .....at the centre P_(0) of the pattern.

    In Young.s double slit experiment sodium light is replaced by blue lamp, then the fringe width

    A parallel beam of light 500 nm is incident at an angle 30^(@) with the normal to the slit plane in a young's double slit experiment. The intensity due to each slit is Io. Point O is equidistant from S_(1) and S_(2) . The distance between slits is 1mm.