Home
Class 11
MATHS
A tower of height 30 metres casts a shad...

A tower of height 30 metres casts a shadow of length 40 meters at a certain instant. When the sun's elevation increases by `Tan^(-1)"1/7`, the length of the shadow cast by the tower, in meters is

A

20

B

25

C

30

D

45

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • HEIGHTS AND DISTANCES

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE - II ) (LEVEL- I (MAIN) SINGLE ANSWER TYPE QUESTIONS)|20 Videos

  • HEIGHTS AND DISTANCES

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE HEIGHTS AND DISTANCES) (LEVEL- I (MAIN) SINGLE ANSWER TYPE QUESTIONS)|30 Videos

  • FUNCTIONS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|50 Videos

  • HYPERBOLIC FUNCTIONS

    AAKASH SERIES|Exercise PRACTICE SHEET EXERCISE-II (STRAIGHT OBJECTIVE TYPE QUESTIONS)|18 Videos

Similar Questions

Explore conceptually related problems

If a pole height 6m casts a shadow 2sqrt(3) m long on the ground, then the sun's elevation is

The length of the shadow of a tree is 7m and height is 7m, when the sun's elevation is………….

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

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

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

A vertical pole of 5.6 m height casts a shadow 3.2 m long. At the same time find (i) the length of the shadow cast by another pole 10.5 m high

The ratio of length of a pole and its shadow is 1:sqrt(3) . The angle of elevation is

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

If the sun's angle of elevation is 60^(@) . Then a pole of height 6m will cast a shadow of length……….m.

The tower height is 15mts and length of shadow is 15 sqrt 3 m what is the angle of elevation of the sun.