Home
Class 12
PHYSICS
Focal length of the concave lens is 40 c...

Focal length of the concave lens is 40 cm. An object is kept at a distance 40 cm from the lens. What will be the location and magnification of image formed?

Text Solution

AI Generated Solution

To solve the problem, we will follow these steps: ### Step 1: Identify the given values - Focal length of the concave lens (F) = -40 cm (negative because it is a concave lens) - Object distance (U) = -40 cm (negative as per the sign convention for lenses) ### Step 2: Use the lens formula The lens formula is given by: ...
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    MODERN PUBLICATION|Exercise PRACTICE PROBLEMS (1)|13 Videos

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    MODERN PUBLICATION|Exercise PRACTICE PROBLEMS (2)|9 Videos

  • NUCLEI

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST FOR BOARD EXAMINATION|15 Videos

  • SEMICONDUCTOR ELECTRONICS METERIALS DEVICES AND SIMPLE CIRCUITS

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST FOR BOARD EXAMINATION|12 Videos

Similar Questions

Explore conceptually related problems

The focal length of convex lens is 20 cm. If an object of height 4 cm is placed at a distance of 30 cm from the lens, find: The magnification produced by the lens.

The focal length of a concave lens is 20 cm, if an object is placed at a distance of 50 cm in front of this concave lens, where is the image formed ? What is the nature of the image ?

The focal length of a convex lens is 20 cm . If an object of height 2 cm is placed at 30 cm from the lens , Find the magnification produced and height of the image

A convex lens of focal length 20 cm and a concave lens of focal length 10 cm are placed 20 cm apart. In between them an object placed at distance x from the convex lens. What will be the linear magnification produced convex lens and concave lens individually ?

At what distance should an object be placed from a lens of focal length 25 cm to obtain an image on a screen placed at a distance of 50 cm from the lens ? What will be the magnification produced in this case?

Find the position of the object of height 5 cm in front of a concave lens of focal length 20 cm to get the image at a distance of 15 cm from the lens. Also find the height and nature of image formed.

A magnifying lens has a focal length of 10 cm. (a) Where should the object be placed if the image is to be 30 cm from the lens ? (b) What will be the magnification ?

An object is kept at a distance of 16 cm from a thin lens and the image formed is real. If the object is kept at a distance of 6 cm from the lens, the image formed is virtual. If the sizes of the images formed are equal, the focal length of the lens will be

A convex lens has a focal length of 30 cm. An object is kept in front of it at a distance of 90 cm. Find the distance of the image from the lens. What type of image is formed?