Home
Class 12
PHYSICS
Two parallel plane mirrors M(1) and M(2)...

Two parallel plane mirrors `M_(1) and M_(2)` have a length of 2 m each and are 10 mm apart. A ray of light is incident on one end of mirror `M_(2)` at an angle of `30^(@)`. The number of reflections light undergoes before reaching the other end is –

A

346

B

134

C

80

D

173

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    MOTION|Exercise Exercise-3|65 Videos
  • RAY OPTICS

    MOTION|Exercise Exercise-4|38 Videos
  • RAY OPTICS

    MOTION|Exercise Exercise-1|102 Videos
  • RADIOACTIVITY & NUCLEAR PHYSICS

    MOTION|Exercise Exercise-3|81 Videos
  • ROTATIONAL MOTION

    MOTION|Exercise Exercise - 3 ( Section-B )|24 Videos

Similar Questions

Explore conceptually related problems

Two plane mirrors M_(1) and M_(2) each have length 1 m and are separated by 1 cm . A ray of light is incident on one end of mirror M_(1) at angle 45^(@) . How many reflections the ray will have before going from the other end?

A ray of light is incident at an angle of 30^(@) with the plane of a plane mirror. Find the angle of reflection.

If a ray of light incident on a plane mirror is such that it makes an angle of 30^@ with the mirror, then the angle of reflection is

In figure, the optical fiber is l = 2 m long and has a diameter of d = 20 mum. If a ray of light is incident on one end of the fiber at angle theta_1=40^@ , the number of reflections it makes before emerging form the other end is close to : (refractive index of fiber is 1.31 and sin40^@=0.64 )

Two plane mirror M_(1) "and" M_(2) are inclined to each other at 70^(@) . A ray incident on the mirror M_(1) at an angle theta fallls on M_(2) and is then reflected parallel to M_(1) for

A ray of light is incident on a plane mirror at an angle of 40^@ with respect to surface normal. When it gets reflected from the mirror, it undergoes a deviation of

Two plane mirrror are inclined to each other at 70^(@) . A ray of light is incident on one mirror. They ray after two reflections will undergo a total deviation of :

Two mirrors meet at right angles. A ray of light is incident on one at an angle of 30° as shown in Draw the reflected ray from the second mirror.

MOTION-RAY OPTICS-Exercise-2
  1. It is necessary to illuminate the bottom of a well by reflected solar ...

    Text Solution

    |

  2. A ray of light makes an angle of 20^(@) with the horizontal and strike...

    Text Solution

    |

  3. Two parallel plane mirrors M(1) and M(2) have a length of 2 m each and...

    Text Solution

    |

  4. Two plane mirros are inclined to each other at an angle 60^(@) if a ...

    Text Solution

    |

  5. Statement I : Focal length of a spherical mirror depends on the distan...

    Text Solution

    |

  6. Statement I : Magnification of a convex mirror is always positive. S...

    Text Solution

    |

  7. Image formed by a concave mirror radius of curvature 40 cm is half the...

    Text Solution

    |

  8. An infinitely long rod lies along the axis of a concave mirror of foca...

    Text Solution

    |

  9. In a concave mirrorr experiment, an object is placed at a distance x(1...

    Text Solution

    |

  10. A small piece of wire bent into an L shape, with upright and horizonta...

    Text Solution

    |

  11. A mark at the bottom of a liquid appears to rise by 0.1m. The depth of...

    Text Solution

    |

  12. Given that, velocity of light in quartz =1.5xx10^(8)m//s and velocity ...

    Text Solution

    |

  13. A ray of light of refractive index 1.4approaches the boundary surface ...

    Text Solution

    |

  14. Light ray is incident on a prism of angle A=60^(@)and refractive index...

    Text Solution

    |

  15. A prism of refractive index sqrt(2) has a prism angle of 60^(@). At wh...

    Text Solution

    |

  16. Statement I : White light gets dispersed when passed through a prism. ...

    Text Solution

    |

  17. A ray of light enters a rectangular glass slab of refractive index sqr...

    Text Solution

    |

  18. For two given statements : (1) Critical angle is greater for violet l...

    Text Solution

    |

  19. For two given statements : (1) A prism can produce a minimum deviat...

    Text Solution

    |

  20. Refractive index of a prism is sqrt(7//3) and the angle of prism is 60...

    Text Solution

    |