Home
Class 10
MATHS
A horizontal beam of light in incident o...

A horizontal beam of light in incident on a plane mirror inclined at `45^(@)` to the hori- zontal. The percentage of light energy reflected from the mirror is `80%`. Find the direction in which the mirror will experience force due to the incident light.

A

14 cm `xx` 14 cm `xx` 3 cm

B

18 cm `xx` 18 cm `xx` 1 cm

C

12 cm `xx` 12 cm `xx` 4 cm

D

8 cm `xx` 8 cm `xx` 8 cm

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 10 SOLVED

    EDUCART PUBLICATION|Exercise PART - B (SECTION - III) |8 Videos

  • SAMPLE PAPER 10 SOLVED

    EDUCART PUBLICATION|Exercise PART - B (SECTION - IV) |9 Videos

  • SAMPLE PAPER 10 SOLVED

    EDUCART PUBLICATION|Exercise PART - B (SECTION - V) |4 Videos

  • SAMPLE PAPER 10 (SELF-ASSESSMENT)

    EDUCART PUBLICATION|Exercise Section-C (Case Study Based Questions)|10 Videos

  • SAMPLE PAPER 11

    EDUCART PUBLICATION|Exercise PART -B (SECTION-V)|4 Videos

Similar Questions

Explore conceptually related problems

A beam of light incident on a plane mirror forms a real image on reflection. The incident beam is

When a beam of light is incident on a plane mirror, it is found that a real image is formed. The incident beam must be

A convergent beam is incident on a convex mirror. Reflected light

A coverging beam of light is incident on the concave mirror. Then the reflected light :

If a converging beam of light is incident on a concave mirror, the reflected light

A light ray is incident on a plane mirror making an angle of 90^(@) with the mirror's surface. The angle of reflection of the light is _______ .

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 made by the reflected ray with the mirror is

If a light ray incident on a plane mirror makes an angle 30^(@) with it, find the angle of incidence and angle of reflection.

EDUCART PUBLICATION-SAMPLE PAPER 10 SOLVED -PART - A (SECTION - II)
  1. ABCD is a square. Find out the side of square?

    Text Solution

    |

  2. In the figure given above, ABCD is a quadrilateral and BPDQ is paralle...

    Text Solution

    |

  3. Which of the following equation is best representation of given grap...

    Text Solution

    |

  4. The cost of living index for the year 2007 considering the base year a...

    Text Solution

    |

  5. Pass the necessary Journal entries to rectify the following errors: ...

    Text Solution

    |

  6. If y=tan^-1(secx-tanx), then differentiation of y wrt x is equal to= ?

    Text Solution

    |

  7. A horizontal beam of light in incident on a plane mirror inclined at 4...

    Text Solution

    |

  8. Stationary sound 'S' of frequency 334 Hz and a stationary observer 'O'...

    Text Solution

    |

  9. If y=tan^-1(secx-tanx), then differentiation of y wrt x is equal to= ?

    Text Solution

    |

  10. Stationary sound 'S' of frequency 334 Hz and a stationary observer 'O'...

    Text Solution

    |

  11. The students of a shool decided to beautifly the school on the annual ...

    Text Solution

    |

  12. The students of a shool decided to beautifly the school on the annual ...

    Text Solution

    |

  13. The students of a shool decided to beautifly the school on the annual ...

    Text Solution

    |

  14. The students of a shool decided to beautifly the school on the annual ...

    Text Solution

    |

  15. The students of a shool decided to beautifly the school on the annual ...

    Text Solution

    |

  16. The height (in meters) at any time t (in seconds) of a ball thrown ver...

    Text Solution

    |

  17. A ball is released from the top of a tower of height h metre. It takes...

    Text Solution

    |

  18. A ball is thrown upwards with a speed u from a height h above the grou...

    Text Solution

    |

  19. A ball is thrown upwards with a speed u from a height h above the grou...

    Text Solution

    |

  20. A ball is thrown upwards with a speed u from a height h above the grou...

    Text Solution

    |