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

A spherical balloon of radius r subtends an angle 'theta' at an observer's eye. The angle of elevation of centre of the balloon is `phi`. Prove that the height of the centre of the ball is `rsinphi cosec""theta/2`.

Promotional Banner

Topper's Solved these Questions

  • HEIGHT AND DISTANCE

    LUCENT PUBLICATION|Exercise EXERCISE-12A|56 Videos
  • HEIGHT AND DISTANCE

    LUCENT PUBLICATION|Exercise EXERCISE-12B|14 Videos
  • GRAPHICAL SOLUTION OF LINEAR EQUATION

    LUCENT PUBLICATION|Exercise EXERCISE-3B|8 Videos
  • INDICES AND SURDS

    LUCENT PUBLICATION|Exercise Exercise - 2B|14 Videos