Advertisements
Advertisements
Question
What is the relationship between the focal length and radius of curvature?
Solution
The relationship between the focal length, f, and radius of curvature, r is
f = 1/2 x r.
APPEARS IN
RELATED QUESTIONS
Define the following term in the context of spherical mirrors:- Pole
We can obtain an enlarged and erect image by a convex mirror.
Name the two types of spherical mirrors. What type of mirror is represented by the:
back side of a shining steel spoon?
Select the correct option:
Which mirror is used in periscope?
Define the following term in relation to concave mirror.
Pole
Define the following term in relation to concave mirror.
Focal length
Define the term Principal axis.
Define the term Pole.
In normal adjustment, for a refracting telescope, the distance between objective and eye piece is 30 cm. The focal length of the objective, when the angular magnification of the telescope is 2, will be ______.