Home
Class 10
MATHS
Find the elevation of the sun at the mom...

Find the elevation of the sun at the moment when the length of the shadow of a tower is just equal to its height.

A

`30^@`

B

`45^@`

C

`60^@`

D

`90^@`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • APPLICATIONS OF TRIGNOMETRY

    BEYOND PUBLICATION|Exercise EXERCISE|127 Videos
  • CO-ORDINATE GEOMETRY

    BEYOND PUBLICATION|Exercise EXERCISE|246 Videos

Similar Questions

Explore conceptually related problems

The angle of elevation of the sun when length of the shadow of a pole is sqrt3 times the height of the pole is

If the angle of elevation of sun increases from '0' to 90 then the length of shadow of a tower decreases. Is this true? Justify your answer.

If the angle of elevation of Sun is 45^(@) , then the length of the shadow of a 12 m hihgh tree is……….

From the top of a chiff 30 metres high, the angle of elevation of the top of a tower is found to be equal to the angle of depression of the foot of the tower. The height of the tower is

If the ratio of height of a tower and the length of its shadow on the ground is sqrt(3):1 , then the angle of elevation of the sun is…………

The angle of elevation of the top of a tower from the foot of a building is 30^(@) and the angle of elevation of the top of the building from the foot of the tower is 60^(@) . What is the ratio of heights of tower and building.

If the angle of elevation of sun increases from 0^(@)" to "90^(@) , then the length of shadow of the tower………..

The angle of elevation of the top of a hill from the foot of a tower is 60^@ and the angle of elevation of the top of the tower from the foot of the hill is 30^@ . If the tower is 50 m high. Find the height of the hill.

The angle of elevation of the top of a tower from the foot of the building is 30^(@) and the angle of elevation of fhe top of the building from the foot of the tower is 60^(@) . What is the ratio of heights of tower and building?

The length of the shadow of tower is equal its height. Then the angle of elevation of the sun.

BEYOND PUBLICATION-APPLICATIONS OF TRIGNOMETRY-EXERCISE
  1. If AB=4m, and AC=8m, then the angle of elevation of A as observed from...

    Text Solution

    |

  2. If a pole height 6m casts a shadow 2sqrt(3)m long on the ground, then ...

    Text Solution

    |

  3. Find the elevation of the sun at the moment when the length of the sha...

    Text Solution

    |

  4. If the shadow of a tree is (1)/(sqrt(3)) times the height of the tree,...

    Text Solution

    |

  5. Length of the shadow of a 15 meter high pole is 5sqrt(3) meters at 7 ...

    Text Solution

    |

  6. A boat has to cross a river. It crosses river by making an angle of 60...

    Text Solution

    |

  7. The angles of elevation of Top of a rock from the Top and foot of 200 ...

    Text Solution

    |

  8. A person from the top of a building of height 25 m has observed anothe...

    Text Solution

    |

  9. A Ladder of 4.6 m Length is laid against a wall. The distance between ...

    Text Solution

    |

  10. The angle of elevation of an aeroplan flying at a height of 1500 m fro...

    Text Solution

    |

  11. The tops of two poles of heights 10 metres and 12 metres are connected...

    Text Solution

    |

  12. The slope of a hill makes an angle of 60^@ with the horizontal. If one...

    Text Solution

    |

  13. If the shadow of 10 m high tree is 10 sqrt 3 m. Then find the angle of...

    Text Solution

    |

  14. If a tree of heigh 21 m is broken but not completely separated and the...

    Text Solution

    |

  15. From the top of a 10 m high tower, the angle of depression of a point ...

    Text Solution

    |

  16. The angle of elevation of the top of a tower from a point situated at ...

    Text Solution

    |

  17. If altitude of the sun is 60 degrees, the height of a tower which cast...

    Text Solution

    |

  18. The ratio of the lengths of a tree and its shadow is 1 : (1 / sqrt 3) ...

    Text Solution

    |

  19. The length of the string of a kitef flying at 100m above the ground wi...

    Text Solution

    |

  20. The angle of elevation of the top of a tower from a point of the groun...

    Text Solution

    |