Home
Class 10
PHYSICS
What is a bifocal lens ?...

What is a bifocal lens ?

Text Solution

Verified by Experts

A biofocal lens is a lens of which the upper part is a concave lens to correct myopia and the lower part is a convex lens to correct hypermetropia.
Promotional Banner

Topper's Solved these Questions

  • MISCELLANEOUS QUESTIONS

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Metallurgy|8 Videos

  • MISCELLANEOUS QUESTIONS

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Space Missions|3 Videos

  • MISCELLANEOUS QUESTIONS

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Refraction of Light|8 Videos

  • MATCH THE COLUMNS

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise All Questions|36 Videos

  • MODEL ACTIVITY SHEET

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise ANSWER THE FOLLOWING|5 Videos

Similar Questions

Explore conceptually related problems

What is a concave lens ?

In old aget a bifocal lens is necessary for some persons. Give reason

My grandfather uses a bifocal lens in his spectacles. Explain why.

An object kept at 60 cm from a lens gives a virtual image at 20 cm in front of the lens. What is the focal length of the lens ? It it a converging lens or diverging lens ? Also find the magnification produced.

An object kept 60 cm from a lens gives a virtual image 20 cm in front of the lens . What is the focal length and power of the lens ? Is it is converging lens or diverging lens ?

An object kept 60 cm from a lens gives a virtual image 20 cm in front of the lens. What is the focal length of the lens? Is it a converging lens or diverging lens?

An object placed at 20 cm from a lens, forms an image on a screen placed 60 cm on the other side of the lens. What is the focal length and type of the lens ?