Home
Class 11
PHYSICS
In a Fresnel biprism experiment the two ...

In a Fresnel biprism experiment the two positions of lens give separation between the slits as 16 cm and 9 cm respectively. The actual distance of separation is

A

10.5 cm

B

12 cm

C

13 cm

D

14 cm

Text Solution

Verified by Experts

The correct Answer is:
B
`Deltax=sqrt(u.v) =sqrt(16xx9)=12 cm`
Promotional Banner

Topper's Solved these Questions

  • PART TEST 3

    RESONANCE ENGLISH|Exercise Exercise|30 Videos

  • PART TEST 5

    RESONANCE ENGLISH|Exercise Exercise|30 Videos

Similar Questions

Explore conceptually related problems

In a Fresnel biprism experiment, the two positions of lens give separation between the slits as 16cm and 9cm respectively. What is the actual distance of separation?

Young’s double slit experiment is performed with light of wavelength 550 nm . The separation between the slits is 1.10 mm and screen is placed at distance of 1 m . What is the distance between the consecutive bright or dark fringes

In a double slit experiment to find the separation between slits by displacement method, the separations of images of slits were found to be 16mm and 9mm respectively. The actual separation between slits will be

White light is used to illuminate the two slits in a Young's double slit experiment. The separation between the slits is b and the screen is at a distance d (gt gtb) from the slits At a point on the screen directly in front of one of the slits, certain wavelengths are missing some of these missing wavelengths are

White light is used to illuminate the two slits in a Young's double slit experiment. The separation between the slits is b and the screen is at a distance d(gtgtb) from the slits. At a point on the screen directly in front of one of the slits, certain wavelengths are missing. Some of these missing wavelength are

White light is used to illuminate the two slits in a Young's double slit experiment. The separation between the slits is b and theh screen is at a distance d (gt gtb) from the slits At a point on the screen directly in front of one of the slits, certain wavelengths are missing some of these missing wavelengths are

The following figure shows the positions of a point object O, two lenses, a Plane mirror and the final image I which coincides with the object. The focal length of the convex lens is 20 cm. Calculate the focal length of the concave lens. The distance between the first and the sixth bright fringes formed in Young's double slit experiment ( measured by a spectrometer ) is found to be 12.5 mm. The separation between the slits is 0.12 mm and the distance of the screen from the slits is 60 cm. Calculate : The fringes width

In fresnel's biprism experiment the distance between the source and the screen is 1 ma nd that between the screen is 1 m and that between the source and biprism is 10 cm. the wavelength of light used is 6000Å. The fringe width obtained is 0.03 cm and the refracting angle of biprism is 1^(@) then calculate the refractive index of the material of biprism.

In a Young's double slit experiment, D equals the distance of screen and d is the separation between the slits. The distance of the nearest point to the central maximum where the intensity is same as that due to a single slit is equal to

In Fresnel's biprism (mu=1.5) experiment the distance between source and biprism is 0.3m and that between biprism and screen is 0.7m and angle of prism is 1^@ . The fringe width with light of wavelength 6000Å will be

RESONANCE ENGLISH-PART TEST 4-Exercise
  1. A convex lens is made up of three different materials as shown in the ...

    Text Solution

    |

  2. Which of the following diagrams shows correctly the dispersion of whit...

    Text Solution

    |

  3. In a Fresnel biprism experiment the two positions of lens give separat...

    Text Solution

    |

  4. In a compound microscope, the intermediate image is

    Text Solution

    |

  5. The angular dispersion produced by a prism

    Text Solution

    |

  6. A cylinderical optical fibre (quarter circular shape) of refractive i...

    Text Solution

    |

  7. A light is incident on face AB of an equilateral glass prism ABC. Afte...

    Text Solution

    |

  8. A ray hits the y-axis making an angle theta with y-axis as shown in th...

    Text Solution

    |

  9. An isosceles trapezium of reflecting material of refractive index sqrt...

    Text Solution

    |

  10. A triangular medium has varying refracting index n = n(0) + ax, where ...

    Text Solution

    |

  11. An object AB is placed parallel and close to the optical axis between ...

    Text Solution

    |

  12. A ray of light travelling in a transparent medium falls on a surface s...

    Text Solution

    |

  13. Young's double-slit experiment is conducted in water (mu(1)) as shown ...

    Text Solution

    |

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

    Text Solution

    |

  15. If yellow light emitted by sodium lamp in Young's double - slit - expe...

    Text Solution

    |

  16. What happens by the use of white light in Young's double slit experime...

    Text Solution

    |

  17. The reflecting surface of a plane mirror is vertical. A particle is pr...

    Text Solution

    |

  18. Astronomial telescope has two lenses of focal power 0.5D and 20D. Then...

    Text Solution

    |

  19. The plane face of a plano convex lens is silvered.If mube the refrativ...

    Text Solution

    |

  20. A vessel of depth 2 d cm is half filled with a liquid of refractive in...

    Text Solution

    |