Home
Class 12
PHYSICS
Two slits S(1) and S(2) illuminated by a...

Two slits `S_(1)` and `S_(2)` illuminated by a white light source give a white central maxima. A transparent sheet of refractive index 1.25 and thickness `t_(1)` is placed in front of `S_(1)`. Another transparent sheet of refractive index 1.50 and thickness `t_(2)` is placed in front of `S_(2)`. If central maxima is not effected, then ratio of the thickness of the two sheets will be :

A

`1 : 2`

B

`2 : 1`

C

`1 : 4`

D

`4 : 1`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Numerical MCQs Single Options Correct|49 Videos

  • WAVE OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs with One or More Options Correct|27 Videos

  • WAVE OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Discussion Question|20 Videos

  • THERMODYNAMICS LAWS & SPECIFIC HEATS OF GASES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Practice Exercise 3.4|11 Videos

  • WAVES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problems for Preparation of NSE, INPhO & IPhO|135 Videos

Similar Questions

Explore conceptually related problems

In YDSE when slab of thickness t and refractive index mu is placed in front of one slit then central maxima shifts by one fringe width. Find out t in terms of lambda and mu .

To make the central fringe at the center O , mica sheet of refractive index 1.5 is introduced Choose the corect statement(S).

Young's double slit experiment is conducted in a liquid of refractive index mu_1 as shown in figure. A thin transparent slab of refractive index mu_2 is placed in front of the slit s_2 . The magnitude of optical path difference at 'O' is

Phase difference at the central point changes by pi//3 when as thick film having a refractive index 1.5 and thickness 0.4mum is placed in front of upper slit of a YDSE set up. If the wavelength (in nm) of the light used is 600 k, find k.

In YDSE arrangement as shown in figure, fringes are seen on screen using monochromatic source S having wavelength 3000 Å (in air). S_1 and S_2 are two slits seperated by d = 1 mm and D = 1m. Left of slits S_1 and S_2 medium of refractive index n_1 = 2 is present and to the right of S_1 and S_2 medium of n_2 = 3/2 , is present. A thin slab of thickness 't' is placed in front of S_1 . The refractive index of n_3 of the slab varies with distance from it's starting face as shown in figure. In order to get central maxima at the centre of screen, the thickness of slab required is :

In figure S is a monochromatic source of light emitting light of wavelength of wavelength lambda (in air). Light on slits S_(1) from S and then reaches in the slit S_(2) and S_(3) through a medium of refractive index mu_(1) . Light from slit S_(2) and S_(3) reaches the screen through a medium of refractive index mu_(3) . A thin transparent film of refractive index mu_(2) and thickness t is used placed in front of S_(2) . Point P is symmetrical w.r.t. S_(2) and S_(3) . Using the values d = 1 mm, D = 1 m, mu_(1) = 4//3 , mu_(2) = 3//2, mu_(3) = 9//5 , and t = (4)/(9) xx 10^(-5) m , a. find distance of central maxima from P, b. If the film in front of S_(2) is removed, then by what distance and in which direction will be central maxima shift ? .

In Young's double slit experiment the slits, S_(1) & S_(2) are illuminated by a parallel beam of light of wavelength 4000 Å from the medium of refractive index n_(1)=1.2 A thin film of thickness 1.2 mum and refractive index n=1.5 is placed infrom of S_(1) perpedicular to path of light. the refractive index of medium between plane of slits & screen is n_(2)=1.4 if the light coming from the film and S_(1)&S_(2) have equal intensities I then intensity at geometrical centre of the screen O is

When a thin transparent plate of thickness t and refractive index mu is placed in the path of one the two interfering waves of light, then the path difference changes by

PHYSICS GALAXY - ASHISH ARORA-WAVE OPTICS-Conceptual MCQ Single Option Correct
  1. Two light waves arrives at a certain point on a screen. The waves have...

    Text Solution

    |

  2. Two beam of light having intensities I and 4I interfere to produce a f...

    Text Solution

    |

  3. A plane electromagnetic wave of frequency w(0) falls normally on the s...

    Text Solution

    |

  4. White light is used to illuminate the two slits in a Young's double sl...

    Text Solution

    |

  5. Ratio of intensities between a point A and that of central fringe is 0...

    Text Solution

    |

  6. Two waves of same intensity produce interference. If intensity at maxi...

    Text Solution

    |

  7. Intensity of central bright fringe due to interference of two identica...

    Text Solution

    |

  8. In a Young’s double slit experiment, the separation of the two slits i...

    Text Solution

    |

  9. In a Young's double slit experiment, 12 fringes are observed to be for...

    Text Solution

    |

  10. In Young's double slit experiment the interference pattern is found to...

    Text Solution

    |

  11. If A is the amplitude of the wave coming from a line source at a dista...

    Text Solution

    |

  12. If A is the amplitude of the wave coming from a line source at a dista...

    Text Solution

    |

  13. Phase difference between two waves having same frequency (v) and same ...

    Text Solution

    |

  14. Widths of two slits in Young's experiment are in the ratio 4 : 1. What...

    Text Solution

    |

  15. Two slits S(1) and S(2) illuminated by a white light source give a whi...

    Text Solution

    |

  16. When a transparent parallel plate of uniform thickness t and refractiv...

    Text Solution

    |

  17. In the adjacent diagram, CP represents a wavefront and AO & BP, the co...

    Text Solution

    |

  18. In a Young's double slit experiment, D equals the distance of screen a...

    Text Solution

    |

  19. In figure, if a parallel beam of white light is incident on the plane ...

    Text Solution

    |

  20. In YDSE shown in figure a parallel beam of light is incident on the sl...

    Text Solution

    |