Home
Class 12
MATHS
The angle of elevation of a cloud from a...

The angle of elevation of a cloud from a point 60m above a lake is `30^0` and the angle of depression of the reflection of cloud in the alek is `60^0dot` Find the height of the cloud.

Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    RESONANCE DPP|Exercise All Questions|15 Videos
  • MATRICES

    RESONANCE DPP|Exercise All Questions|7 Videos

Similar Questions

Explore conceptually related problems

The angle of elevation of cloud from a point 60 m above a lake is 30^(@) and the angle of depression of the reflection of cloud in the lake is 60^(@) . Find the height of the cloud .

The angle of elevation of a cloud from a point 60m above a lake is 30o and the angle of depression of the reflection of cloud in the lake is 60_(0). Find the height of the cloud.

If the angle of elevation of a cloud from a point 10 metres above a lake is 30^(@) and the angle of depression of its reflection in the lake is 60^(@) . Find the height of the cloud from the surface of lake.

If the angle of elevation of a cloud from a point 200m above a lake is 30^(@) and the angle of depression of its reflection in the lake is 60^(@) .Then the height of the cloud above the lake is :

If the angle of elevation of a cloud from a point 200 m above a lake is 30o and the angle of depression of its reflection in the lake is 60o , then the height of the cloud above the lake, is (a) 200 m (b) 500 m (c) 30 m (d) 400 m

The angle of elevation of a stationary cloud from a point 2500 feet above a lake is 30^@ and the angle of depression of its reflection in the lake is 45^@ .Find the height of cloud above the lake water surface .

The angle of elevation of a stationery cloud from a point 2500 m above a lake is 15o and the angle of depression of its reflection in the lake is 450. What is the height of the cloud above the lake level? (Use tan 15o =0.268)

If the angle of elevation of the cloud from a point hm above a lake is A and the angle of depression of its reflection in the lake is B prove that the height of the cloud is h(tan B+tan A)tan B-tan A

RESONANCE DPP-JEE MAINS-All Questions
  1. Find the number of ways in which the letters A, B, C, D, E, F can be p...

    Text Solution

    |

  2. The exponent of 12 in 100! is 97          (b)  58            (c)  48  ...

    Text Solution

    |

  3. The angle of elevation of a cloud from a point 60m above a lake is 30^...

    Text Solution

    |

  4. Let S1=sum(j=1)^(10)j(j-1)^(10)Cj ,""S2=sum(j=1)^(10)j""^(10)Ci("andS"...

    Text Solution

    |

  5. If f(x)=A s in((pix)/2)+B ,f^(prime)sqrt(2)a n dint0^1f(x)dx=(2A)/pi, ...

    Text Solution

    |

  6. A parabola has its vertex and focus in the first quadrant and axis ...

    Text Solution

    |

  7. If y(t) is solution of (t+1)(dy)/(dx)-ty=1,y(0)=-1 then y(1)=

    Text Solution

    |

  8. An aeroplane when flying at a height of 4000m from the ground passes ...

    Text Solution

    |

  9. ((x-4)^(2005).(x+8)^(2008).(x+1))/(x^2006 (x-2)^3(x+3)^5.(x-6)(x+9)^20...

    Text Solution

    |

  10. The value of (a+bomega+comega^2)/(b+comega+aomega^2)+(a+bomega+comega^...

    Text Solution

    |

  11. Number of words each consisting of two vowels and two consonants which...

    Text Solution

    |

  12. Number of ways in which 3 tickets can be selected from a set of 500 ...

    Text Solution

    |

  13. Sum of all the 4-digit numbers which can be formed using the digits 0,...

    Text Solution

    |

  14. The circle x^2+y^2=1 cuts the x-axis at Pa n dQdot Another circle with...

    Text Solution

    |

  15. If lim(n to oo) sum(k=2)^(n)cos^(-1)((1+sqrt((k-1)(k+2)(k+1)k))/(k(k+...

    Text Solution

    |

  16. Number of ways in which 7 people can occupy six seats, 3 seats on each...

    Text Solution

    |

  17. Let C be the centre, BCB the minor axis and S the focus (ae, 0) for ...

    Text Solution

    |

  18. Two non-negative integers are chosen at random, then the probability ...

    Text Solution

    |

  19. Let an be the n^(t h) term of an A.P. If sum(r=1)^(100)a(2r)=alpha&su...

    Text Solution

    |

  20. If variance of variables a ,2a ,2a ,3a ,3a ,3a ,dot,10 a is 54 then va...

    Text Solution

    |