Home
Class 12
PHYSICS
A beam of light is converging towards a ...

A beam of light is converging towards a point on a screen.A plane parallel plate of glass is introduced in the path of this converging beam.How will the point of convergence be shited ?Draw the ray diagram.

A

`t(1-1/mu)`

B

`t(1+1/mu)`

C

`t(1-1/mu)`

D

`t(1+1/mu)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • UNIT TEST -06

    MODERN PUBLICATION|Exercise EXERCISE|461 Videos

  • TEXUAL QUESTIONS

    MODERN PUBLICATION|Exercise EXERCISE|195 Videos

  • UNIT TEST -07

    MODERN PUBLICATION|Exercise EXERCISE|154 Videos

Similar Questions

Explore conceptually related problems

A beam of light converges at a point P. Now a lens is placed in the path of the convergent beam 12cm from P. At what point does the beam converge if the lens is: a convex lens of focal length 20cm?

A beam of light converges at a point P. Now a lens is placed in the path of the convergent beam 12cm from P. At what point does thebeam converge if the lens is: a concave lens of focal length 16cm?

Explain how a parallel beam of light on refraction from a convex lens gets converged.

Explain how a parallel beam of light on reflection from a concave mirror gets converged.

A convergent beam of light passes through a diverging lens of focal length 0.2 m and comes to focus at distance 0.3 m behind the lens.Find the position of the point at which the beam would converge in the absence of the lens.

A narrow beam of light is incident normally on one face of a glass prism having refractive index 1.48 . Find the angle of prism if the ray makes a grazing emergence along the other face. Draw a diagram showing the path of rays.

A beam of light strikes a glass sphere of 20 cm diameter converging towards a point 40 cm behind the pole of the spherical surface.Fnd the position of the image,if the refractive index of glass is 1.5.

Two beams of light having intensities I and 4 I interfere to produce a fringe pattern on a screen.The phase difference between the beams is pi//2 at point A and pi at point B.Then the differnece between the resultant intensities at A and B is

MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. A ray of light is incident at the glass-water interface at an angle i....

    Text Solution

    |

  2. A ray of light travelling in a transparent medium of refractie index m...

    Text Solution

    |

  3. A beam of light is converging towards a point on a screen.A plane para...

    Text Solution

    |

  4. A diverging beam of light from a point source S having divergence angl...

    Text Solution

    |

  5. A ray of light travelling in water is incident on its surface open to ...

    Text Solution

    |

  6. A rectangular glass slab ABCD of refractive index n1 is immersed in wa...

    Text Solution

    |

  7. An observer can see through a pin-hole the top end of a thin rod of he...

    Text Solution

    |

  8. Two beams of red and violet colours re mde to pass separaterly through...

    Text Solution

    |

  9. A ray OP of monochromatic light is incident on the face AB of prism AB...

    Text Solution

    |

  10. Which of the following forms (s) a virtual and erect image fo all posi...

    Text Solution

    |

  11. A spherical surface radius of curvatue R seprates air (refractive inde...

    Text Solution

    |

  12. A point object is placed at the centre of a glass sphere of radius 6 c...

    Text Solution

    |

  13. The graph between object distance u and image distance v for a lens is...

    Text Solution

    |

  14. A convex lens A of focal length 20 cm and a concave lens B of focal le...

    Text Solution

    |

  15. The size of the image of an object,which is at infinity, as formed by ...

    Text Solution

    |

  16. A convergeing lens is used to form an image on a screen.When the upper...

    Text Solution

    |

  17. A point object is placed at a distance of 20 cmA point object is place...

    Text Solution

    |

  18. A biconvex lens of focal length 15 cm is in front of a plane mirror.Th...

    Text Solution

    |

  19. A concave lens of glass, refractive index 1.5 ,has both surfaces of th...

    Text Solution

    |

  20. A double convex lens made from a material of refractive index mu1 is i...

    Text Solution

    |