Home
Class 12
BIOLOGY
Concave lens is employed to correct...

Concave lens is employed to correct

A

Presbyopia

B

Hypermetropia

C

Cataract

D

Myopia

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SEEDS

    DINESH PUBLICATION ENGLISH|Exercise CHECK YOUR GRASP|10 Videos

  • STEM

    DINESH PUBLICATION ENGLISH|Exercise MULTIPLE CHOICE QUESTIONS|134 Videos

Similar Questions

Explore conceptually related problems

A concave lens is placed in contact with a convex lens of focal length 25 cm . The combination produces a real image at a distance of 80 cm , when an object is at a distance of 40 cm . What is the focal length of concave lens ?

A point object is placed at a distance of 15 cm from a convex lens. The image is formed on the other side at a distance of 30 cm from the lens. When a concave lens is placed in contact with the convex lens, the image shifts away further by 30 cm. Calculate the focal lengths of the two lenses.

Which type of lens is used to correct astigmatisum ?

What type of lens is used to correct long sightedness ?

Ranbir claims to have obtained an image twice the size of the object with a concave lens. Is he correct? Give a reason for your answer.

A concave lens is placed in the path of a uniform parallel of beam of light falling on a screen as shown . Then

A converging beam of light is incident on a concave lens. The beam converges behind the lens at 15 cm from its centre, in the absence of the lens. Select the correct alternative

A plano-concave lens is made of glass of refractive index 1.5 and the radius of curvature of its curved face is 100 cm. What is the power of the lens?

An equiconcave lens has power P. Find power of plano concave lens when given lens is cut in such a way that two plano concave lens are formed.

Assertion:A convex lens and a concave lens are kept in contact. They will behave as a diverging lens if focal length of convex lens is more. Reason: Power of a concave lens is always less than the power of a convex lens, as power of concave lens is negative whereas power of convex lens is positive.