Answer to Question #52722 in Optics for Atooki Yunus

Question #52722

The focal length of a curved mirror is ---------- the radius of the spherical surface
a)twice
b)equal to
c)half
d)one-quarter

Expert's answer

Answer:
Bythe definition, the focal length of a curved mirror is half the radius of curvature of the mirror.So, the correct answer is c) half.

Learn more about our help with Assignments: Optics

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. An object placed in front of a convex mirror of radius 20cm produces an erect image which is one-fif
2. How far should an object be from a concave mirror of radius 30cm to form a real image 1/6 of its siz
3. What is the image distance of an object placed 20 co from a converging lens of focal length 15 cm? 3
4. A ray of light enters into glass slab from air of incident angle 60° if refractive of glass slab is
5. A ray R1 is incident of the plane surface of the glass slab (kept in air) of refractive index √2 a
6. What is the reason we can read print from any direction?
7. A lens which is thinnner at centre than at the edge is a _______________ lens

Who Can Help Me with My Assignment

There are three certainties in this world: Death, Taxes and Homework Assignments. No matter where you study, and no matter…
How to Finish Assignments When You Can’t

Crunch time is coming, deadlines need to be met, essays need to be submitted, and tests should be studied for.…
How to Effectively Study for a Math Test

Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…