Home
Class 12
PHYSICS
The distance of a point on a screen from...

The distance of a point on a screen from two coherent light sources differs by 93 wavelengths. If the path difference is 0.0465 mm, then the wavelength of light used is

A

4000 Å

B

4500 Å

C

5000 Å

D

7500 Å

Text Solution

Verified by Experts

The correct Answer is:
C

`93lamda=0.465mm=465xx10^(-7)m`
`therefore lamda=(465)/(93)xx10^(-7)=5000` Å
Promotional Banner

Topper's Solved these Questions

  • INTERFERENCE AND DIFFRACTION

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|20 Videos
  • GRAVITATION

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP -2|20 Videos
  • KINETIC THEORY OF GASES ,THERMODYNAMICS AND RADIATION

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP - 9|30 Videos

Similar Questions

Explore conceptually related problems

The optical path difference between two identical waves arriving at a point is 371 lambda . Is the point bright or dark ? If the path difference is 0.24 mm , calculate the wavelength of light used.

The path difference between two interfering waves at a point on screen is 171.5 times the wavelength if the path difference is 0.01029 cm find the wavelength.

The distance between two coherent sources is 0.1 mm. The fringe-width on a screen 1.2 m away from the source is 6.0 mm. The wavelength of light used is

The optical path difference between two waves starting from a monochromatic source of light is (100.5)lamda . If the path difference between the waves is 60.3 micron, the wavelength of light used is

The distance between two coherent sources is 1 mm. The screen is placed at a distance of 1 m from the sources. If the distance of the third bright fringe is 1.2 mm from the central fringe, the wavelength of light used is

The path difference between the two indentical waves arrivings at a point is 100.5 lambda . If the path difference is 44 mu m , then wavelength of light will be

In Young's double slit experiment, the distance between the two slits is 0.1 mm, the distance between the screen and the slit is 100 cm. if the width of the fringe is 5 mm, then the wavelength of monochromatic light used is

Two interfering waves are arriving at a point on a screen with a path difference of 120 lamda . The path difference is 72 mu m . The wavelength of light is ____________. Is the point dark or bright?

Light of wavelength lambda is incident on a slit. First minima of the diffraction pattern is found to lie at a distance of 6 mm from the central maximum on a screen placed at a distance of 2 m from the slit. If slit width is 0.2 mm, then wavelength of the light used will be :

MARVEL PUBLICATION-INTERFERENCE AND DIFFRACTION-TEST YOUR GRASP
  1. The distance of a point on a screen from two coherent light sources di...

    Text Solution

    |

  2. Two waves having the intensities in the ratio of 9 : 1 produce interfe...

    Text Solution

    |

  3. A point P is situated at 40.1 cm and 40.2 cm away from two coherent so...

    Text Solution

    |

  4. Two coherent monochromatic light beams of intensities I and 4I are sup...

    Text Solution

    |

  5. In Young's double slit experiment carried out with wavelength lamda=50...

    Text Solution

    |

  6. In Young's experiment, interference fringes are obtained on a screen p...

    Text Solution

    |

  7. In a young's double slit experiment, one of the slits is covered by a ...

    Text Solution

    |

  8. In Young's double slit experiment, the two slits are at a distance 'd'...

    Text Solution

    |

  9. In Youngs 's double slit experiment, the fringe width obtained by usin...

    Text Solution

    |

  10. In Young's double slit experiment, the maximum intensity is I(0). What...

    Text Solution

    |

  11. In a biprism experiment the band width is 0.4 mm when the eye piece is...

    Text Solution

    |

  12. In a biprism experiment, the distance between the consecutive bright b...

    Text Solution

    |

  13. Microwave ocillators S(1) and S(2) are used to show interference of el...

    Text Solution

    |

  14. Two sources of light P and Q have wavelengths 6000 Å and 5500 Å respec...

    Text Solution

    |

  15. Light of wavelength 5000 Å, illuminates the slit in a biprism experime...

    Text Solution

    |

  16. A diffraction patter is obtained by making lbue light incident on a na...

    Text Solution

    |

  17. Light of wavelength lambda is incident on a slit of width d and distan...

    Text Solution

    |

  18. A light wave is incident normally over a slit of width 24xx10^-5cm. Th...

    Text Solution

    |

  19. In a Fraunhoffer diffraction at single slit of width 'a' with incident...

    Text Solution

    |

  20. By using light of wavelength 5200 Å, two points separated by a distanc...

    Text Solution

    |

  21. What is the resolving power of a telescope whose objective lens has a ...

    Text Solution

    |