Home
Class 10
MATHS
The shadow of a tower , when the angle o...

The shadow of a tower , when the angle of elevation of the sum is `30^(@)` is found to be 10 metre longer than when it was `60^(@)` .The height of the tower will be :

A

`5sqrt(3)m`

B

`5(sqrt(3)-1)m`

C

`5(sqrt(3)+1)m`

D

`3sqrt(5)`m

Text Solution

AI Generated Solution

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • NTSE 2019 -20

    OSWAL PUBLICATION|Exercise Areas Related to Circles Stage -2 |1 Videos

  • NTSE 2019 -20

    OSWAL PUBLICATION|Exercise Surface Areas and Volumes Stage -2 |2 Videos

  • NTSE 2019 -20

    OSWAL PUBLICATION|Exercise Introduction to trigonometry Stage -2|1 Videos

  • NEW TYPOLOGIES INTRODUCED BY CBSE FOR BOARD 2021-22 EXAM

    OSWAL PUBLICATION|Exercise UNIT-VII STATISTICS AND PROBABILITY (STATISTICS) (SELF ASSESSMENT)|2 Videos

  • OLYMPIAD 2019-20

    OSWAL PUBLICATION|Exercise 15. Probability |1 Videos

Similar Questions

Explore conceptually related problems

The shadow of a tower,when the angle of elevation of the sun is 45o, is found to be 10m. longer than when it was 60o. Find the height of the tower.

The shadow of a tower,when the angle of elevation of the sum is 45^(@) , is found to be 10 metres longer than when the angle of elevation, when 60^(@). Find the height of the tower.

Knowledge Check

  • The shadow of a tower standing on a level plane is found to be 50 m longer when the Sun's elevation is 30^(@) than when it is 60^(@). The height of the tower is

    A
    A. 25 m
    B
    B. `25 sqrt 3 m `
    C
    C. ` 50 m `
    D
    D. None of these

  • On the level ground, the angle of elevation of a tower is 30^(@) . On moving 20 m nearer, the angle of elevation is 60^(@) . The height of the tower is

    A
    10 m
    B
    `10sqrt(3) m`
    C
    `15 m`
    D
    `20 m`

  • The shadow of a tower standing on a level plane is found to be 40 m longer when the sun 's altitude is 45^(@) , than when it is 60^(@) . The height of the tower is

    A
    `30(3+sqrt(3))` metre
    B
    `40(3+sqrt(3))` metre
    C
    `20(3+sqrt(3))` metre
    D
    `10(3+sqrt(3))` metre

    • Similar Questions

    Explore conceptually related problems

    The shadow of a tower standing on a level ground is found to be 60 metres longer when the sun's altitude is 30^(@) than when it is 45^(@) . The height of the tower is____

    The shadow of a tower standing on a level ground is found to be 20 m longer when the sun's altitude is 45^(@) than when it is 60^(@) .Find the height of the tower .

    The height of a tower is 100 m. When the angle of elevation of sun is 30^(@) , then what is the shadow of tower?

    The shadow of a tower standing on a level ground is found to be 40m longer when Suns altitude is 30o than when it was 60o .Find the height of the tower.

    The shadow of a tower standing on a level plane is found to be 50 m longer when when sun's elevation is 30^(@) than when it is 60^(@) . Find the height of the tower.

    Home
    Profile