Home
Class 10
MATHS
If a pole 12 m high casts a shadow 4sqrt...

If a pole 12 m high casts a shadow `4sqrt(3) m` long on the ground then the sun's elevation is

A

`30^(@)`

B

`45^(@)`

C

`60^(@)`

D

`90^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY

    TARGET PUBLICATION|Exercise Additional Problems for Practice (Based on practice Set 6.1)|26 Videos
  • TRIGONOMETRY

    TARGET PUBLICATION|Exercise Based on Practice Set 6.2|13 Videos
  • TRIGONOMETRY

    TARGET PUBLICATION|Exercise Activities for practice|3 Videos
  • STATISTICS

    TARGET PUBLICATION|Exercise Problem Set-6|5 Videos

Similar Questions

Explore conceptually related problems

A vertical pole of a length 6 m casts a shadow of 4 m long on the ground. At the same time a tower casts a shadow 28m long. Find the height of the tower.

A street light bulb is fixed on a pole 6 m above the level of the street. If a women of height 1.5 m casts a shadow of 3 m, then find how far she is away from the base of the pole.

The top of a ladder 15 m long reaches a window 9 m above the ground. What is the distance between the foot of the ladder and the base of the wall ?

Solve the following examples / numerical problems: A stone is dropped from rest from the top of a building 44.1 m high. It takes 3 s to reach the ground . Use this information to calculate g.

As shown in the figures, two poles of height 8m and 4m are perpendicular to the ground. If the length of shadow smaller pole due to sunlight is 6 m then long will be the shadow of the bigger pole of the same time?

A ladder 25 m long reaches a window of a building 20 m above the ground. Determine the distance of the foot of the ladder from the building.

An observer at a distance of 10 m from a tree looks at the top of the tree , the angle of elevation is 60^(@) . What is the height of the tree ? ( sqrt(3) = 1 .73 )

A person observed the angle of elevation of the top of a tower as 30^@ . He walked 50m towards the foot of the tower along level ground and found the angle of elevation of the top of the tower as 60^@ . Find the height of the tower.

The angle of elevation of a jet plane from a point A on the ground is 60^@ . After a flight of 30 seconds, the angle of elevation changes to 30^@ . If the jet plane is flying at a constant height of 3600sqrt(3)m , find the speed of the jet plane.

A roller of diameter 0.9 m and length 1.8 m is used to press the ground. Find the area of ground pressed by it in 500 revlutions. (pi = 3.14)

TARGET PUBLICATION-TRIGONOMETRY -Multiple Choice Questions
  1. (1 - cot^(2)45^(@))/(1 + cot^(2)45^(@)) =

    Text Solution

    |

  2. 1+cot^(2)theta= ……

    Text Solution

    |

  3. tan^(2)(90^(@) - theta) - cosec^(2) theta =

    Text Solution

    |

  4. If cos theta = (24)/(25), then the value of sin theta is

    Text Solution

    |

  5. If tantheta=3/4 , then cos^2theta-sin^2theta= 7/(25) (b) 1 (c) -7/(25...

    Text Solution

    |

  6. If cot theta = (3)/(4) , then (sin theta - cos theta)/(sin theta + cos...

    Text Solution

    |

  7. Find the value of (1+tan^(2)theta)/(1+cot^(2)theta)

    Text Solution

    |

  8. (1 - cos^(2)theta)cot^(2)theta

    Text Solution

    |

  9. (Sec^2 θ − 1) (Cosec^2 θ − 1) =

    Text Solution

    |

  10. Write the value of "cosec"^(2)theta(1+costheta)(1-costheta).

    Text Solution

    |

  11. (5)/(cot^(2)theta) - (5)/(cos^(2) theta)=

    Text Solution

    |

  12. sin theta/(1+cos theta)=

    Text Solution

    |

  13. If cosec theta - cottheta = (1)/(3) , then cosec theta + cot theta =

    Text Solution

    |

  14. If sin theta + sin^(2) theta=1 " then " cos^(2) theta+ cos^(4) theta...

    Text Solution

    |

  15. If sin theta + costheta = m and sin theta - cos theta = n , then

    Text Solution

    |

  16. When we see below the horizontal line , then the angle formed is …………....

    Text Solution

    |

  17. If a pole 12 m high casts a shadow 4sqrt(3) m long on the ground then...

    Text Solution

    |

  18. A kite is flying at a height 80 m above the ground . The string of th...

    Text Solution

    |

  19. The angle of elevation of top of the tower from a point P on the groun...

    Text Solution

    |

  20. The angle of depression of a ship as observed from the top of a lighth...

    Text Solution

    |