MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Types of spherical lenses

ntA concave m...

Question

ntA concave mirror of focal length f1 is placed at a distance of d from a convex lens of focal length f2. A beam of light coming from infinity and falling on this convex lens- concave mirror combination returns to infinity. The distance d must be equal ton ntA. f1+f2n ntB. -f1+f2n ntC. 2f1+f2n ntD. -2f1+f2n

Open in App

Solution

Suggest Corrections

thumbs-up

4

Similar questions

Q. A concave mirror of focal length

f_{1}

is placed at a distance of d from a convex lens of focal length

f_{2}

. A beam of light coming from infinity and falling on this convex lens concave mirror combination returns to infinity. The distance d must equal

Q. An object is placed in front of a converging lens at a distance equal to twice the focal length

f_{1}

of the lens. On the other side of the lens is a concave mirror of focal length

f_{2}

separated from the lens by a distance

2 (f_{1} + f_{2})

. Light from the object passes rightward through the lens, reflects from the mirror, passes leftward through the lens, and forms a final image of the object.

Q. A diverging lens of focal length

f_{1}

is placed in front of and coaxially with a concave mirror of focal length

f_{2}

. Their separation is d. A parallel beam of light incident on the lens returns as a parallel beam from the arrangement. Then

Q. A converging lens of focal length

f_{1}

is placed in front of and coaxially with the convex mirror of focal length

f_{2}

.Their separation is d. A parallel beam of light incident on the lens returns as a parallel beam from the arrangement

Q. A convex lens of focal length

20 c m

is placed coaxially with a concave mirror of focal length

10 c m

at a distance of

50 c m

apart from each other. A beam of light coming parallel to the principal axis is incident on the convex lens. Find the position of the final image formed by this combination.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Spherical lenses

PHYSICS

Watch in App

explore_more_icon

Explore more

Types of spherical lenses

Standard X Physics

Join BYJU'S Learning Program

CrossIcon