Home
Class 14
MATHS
A spherical ballon of radius r subtends ...

A spherical ballon of radius r subtends angle `60^(@)` at the eye of an observer. If the angle of elevation of its centre is `60^(@)` and h is the height of the centre of the ballon, then which one of the following is correct ?

A

h = r

B

h = `sqrt2` r

C

h = `sqrt3`r

D

h = 2r

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • HEIGHT AND DISTANCE

    ARIHANT SSC|Exercise Multi Concept QUESTIONS|2 Videos

  • HCF AND LCM

    ARIHANT SSC|Exercise Exercise Higher Skill Level Questions|18 Videos

  • INDICES AND SURDS

    ARIHANT SSC|Exercise HIGHER SKILL LEVEL QUESTIONS|17 Videos

Similar Questions

Explore conceptually related problems

A round balloon of radius 'r' subtends an angle alpha at the eye of the observer, while the angle of elevation of its centre is beta . Find the height of the centre of balloon.

A round balloon of radius R subtend an angle 2alpha at the eye of the observer, while the angle of elevation of it's centre is 2beta , then the height of the centre of balloon is

A spherical balloon of radius 50 cm, subtends an angle of 60^(@) at a man's eye when the elevation of its centre if 45^(@) . Then the height of the centre of the ballon is

A round balloon of radius r subtends an angle at the eye of the observer while the angle of elevation of its centre is beta. Prove that the height of the centre of the balloon is r sin beta csc(alpha)/(2)

A spherical baloon of radius 50 cm, subtends an angle of 60^(@) at a man's eye when the evevatin of its centre is 45^(@). Then the height of the centre of the balloon is

A round balloon of radius r subtends an angle alpha at the eye of the observer while the angle of elevation of its centre is beta. Prove that the height of the centre of the balloon is r sin(beta)cos ec(alpha)/(2)

A round balloon of radius r subtends an angle alpha at the eye of the observer while the angle of elevation of its centre is beta Prove that the height of the centre of the balloon is r sin beta cos ec[(alpha)/(2)]

A spherical gas balloon of radius 16 meter subtends an angle 60^(@) at the eye of the observer A while the angle of elevation of its center from the eye of A is 75^(@) . Then the height (in meter) of the top most point of the balloon from the level of the observer's eye is :

ARIHANT SSC-HEIGHT AND DISTANCE-Fast Track Practice
  1. The shadow of a tower standing on a level plane is found to be 50m lon...

    Text Solution

    |

  2. The angle of elevation of the tip of a tower from a point on the groun...

    Text Solution

    |

  3. The angles of depression from the top of a light house of two boats ar...

    Text Solution

    |

  4. The angle of elevation of the top of an unfinished pillar at a point 1...

    Text Solution

    |

  5. From the top of a cliff 200 m high, the angles of depression of the to...

    Text Solution

    |

  6. On walking 120 m towards a chimney in a horizonatal line through its b...

    Text Solution

    |

  7. A man standing at a point P is watching the top of elevation of 30^@. ...

    Text Solution

    |

  8. The angle of elevation of the top of a tower from the bottom of a buil...

    Text Solution

    |

  9. The angles of elevation of the top of a tower from two points which ar...

    Text Solution

    |

  10. The angles of elevation of e top of an inaccessible tower from two poi...

    Text Solution

    |

  11. Two poles of heights 6m and 11 m stand on plane ground. If the distanc...

    Text Solution

    |

  12. Read the following information carefully to answer the questions that ...

    Text Solution

    |

  13. Read the following information carefully to answer the questions that ...

    Text Solution

    |

  14. Puneet scored 175 marks in a test and failed by 35 marks. If the passi...

    Text Solution

    |

  15. Read the following information carefully to answer the questions that ...

    Text Solution

    |

  16. If the angle of elevation of a tower from two distant points a and b (...

    Text Solution

    |

  17. The angle of elevation of the top of a tower 30 m high from the foot o...

    Text Solution

    |

  18. At the foot of a mountain, the elevation of its summit is 45^@. After ...

    Text Solution

    |

  19. A man standing in one corner of a square football field observes that ...

    Text Solution

    |

  20. A spherical ballon of radius r subtends angle 60^(@) at the eye of an ...

    Text Solution

    |