Home
Class 12
PHYSICS
A compound microscope has a magnificatio...

A compound microscope has a magnification of 30. The focal length of its eye piece is 5 cm. Assuming the final image to be formed at near point, calculate the magnification produced by the objective.

Promotional Banner

Topper's Solved these Questions

  • Optics-I

    BINA LIBRARY|Exercise EXERCISE|154 Videos

  • OPTICS -II

    BINA LIBRARY|Exercise EXERCISE|84 Videos

  • QUESTION PAPER 2012

    BINA LIBRARY|Exercise EXERCISE|40 Videos

Similar Questions

Explore conceptually related problems

A compound microscope has an objective of focal length 1 cm, an eye piece of focal length 2.5 cm and a tube of length 15 cm. Find its magnification for normal adjustment.

An astronomical telescope uses two lenses of powers 10 dioptre and 1 dioptre. If the final image of a distant object is formed at infinity, calculate the length of the telescope.

The focal lengths of the objective and the eye piece of an astronomical telescope are 100 cm and 5 cm respectively. Calculate its magnifying power.

A compound microscope has an objective with focal length 1 cm and an eyepiece with focal length 2 cm. An object is placed at a distance of 1.5 cm away for the normal adjustment. Find its angular magnification.

Find the power of the eye lens of the normal eye when it is focussed at its near point. Assume the distance of the retina from the eye lens to be 2.5 cm.

Focal length of a convex lens is 15cm. Where should an object be placed so that real and three times larger image is formed?