Home
Class 14
MATHS
The length of the shadow of the vertical...

The length of the shadow of the vertical tower on level ground increases by 10m when the altitude of the sun changes from `45^@` to `30^@`.The height of the tower is:
समतल भूमि पर खड़ी मीनार की छाया की लंबाई 10 मीटर तक बढ़ जाती है जब सूर्य की ऊँचाई `45^@` से `30^@` तक बदल जाती है। टॉवर की ऊंचाई है:

A

`10 (sqrt3+1) m`

B

`10 sqrt3 m`

C

`5 sqrt3 m`

D

`5 (sqrt3+1) m`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The shadow of a vertical tower on level ground increases by 10 m when the altitude of the sun changes from 45^(@) to 30^(@) . Find the height of the tower.

The shadow of a vertical tower becomes 30 metres longer when the altitude of the sun changes from 60^(@)"to"45^(@) .find the height of the tower .

The shadow of a vertical tower on level ground increases by 10 metres,when the altitude of the sun changes from angle of elevatin 45^(0) to 30^(0). Find the height of the tower, correct to one place of decimal. (Take sqrt(3)=1.73

The length of the shadow of a vertical pole on the ground is 18m. If the angle of elevation of the sun at that time is theta , such that cos theta= 12/13 , then what is the height (in m) of the pole? भूतल पर एक अधोलंब खम्भे की परछाईं की लंबाई 18 मी है। यदि उस समय सूर्य की ऊँचाई का उन्नयन कोण ऐसे है , जैसे कि cos theta= 12/13 है, तो खम्भे की ऊँचाई (ऊँचाई) क्या है?

The length of the shadow of a vertical pole on the ground is 36m. If the angle of elevation of the sun at that time is theta , such that sec theta= 13/12 ,then what is the height (in m ) of the pole ? भूतल पर एक अधोलंब खम्भे की परछाईं की लंबाई 36 मी है। यदि उस समय सूर्य की ऊँचाई का उन्नयन कोण ऐसे है , जैसे कि sec theta= 13/12 है, तो खम्भे की ऊँचाई (ऊँचाई) क्या है?

The length of the shadow of a vertical pole on the ground is 24m. If the angle of elevation of the sun at that time is theta , such that sin theta= 5/13 , then what is the height of the pole? / एक लंबवत खंभे की भूमि पर परछाई की लंबाई 24 मीटर है | यदि उस समय सूर्य के उन्नयन का कोण theta इस प्रकार है कि sin theta= 5/13 है, तो खंभे की ऊंचाई ज्ञात करें |

PINNACLE-HEIGHT & DISTANCE-EXERCISE
  1. What is the angle of elevation of the sun from the top of a pillar, wh...

    Text Solution

    |

  2. From the top of a hill 96 m high, the angles of depression of two cars...

    Text Solution

    |

  3. From the top of a tower, the angles of depression of two objects on th...

    Text Solution

    |

  4. From a point exactly midway between the foot of two towers P and Q, th...

    Text Solution

    |

  5. P and Q are two points on the ground on either side of a pole. The ang...

    Text Solution

    |

  6. Seema flies a kite on a 16 m string at an inclination of 60^@. What is...

    Text Solution

    |

  7. As observed from the top of a lighthouse, 120 sqrt3 m above the sea le...

    Text Solution

    |

  8. From the top of a hill 240m high the angle of depression of the top an...

    Text Solution

    |

  9. The length of the shadow of the vertical tower on level ground increas...

    Text Solution

    |

  10. A ladder leaning against a wall makes an theta degree with the horizon...

    Text Solution

    |

  11. A person was standing on a road near a mall. He was 1425 m away from t...

    Text Solution

    |

  12. The length of the shadow of a vertical pole on the ground is 18m. If t...

    Text Solution

    |

  13. The length of the shadow of a vertical pole on the ground is 36m. If t...

    Text Solution

    |

  14. Asha and Suman’s mud forts have heights 9cm and 16cm. Their tops are 2...

    Text Solution

    |

  15. Let A and B be two towers with same base. From the midpoint of the lin...

    Text Solution

    |

  16. A ladder is resting against a wall. The angle between the foot of the ...

    Text Solution

    |

  17. A person was standing on a road near a mall. He was 1215m away from th...

    Text Solution

    |

  18. A ladder leaning against a wall make an angle theta with the horizonta...

    Text Solution

    |

  19. Let A and B be two towers with the same base. From the mid point of th...

    Text Solution

    |

  20. A ladder is resting against a wall, The angle between the foot of the ...

    Text Solution

    |