Advertisements
Advertisements
प्रश्न
Define the following term in the context of spherical mirrors:- Principal axis
Advertisements
उत्तर
Principal axis of a spherical mirror:-
The imaginary straight line joining the pole (P) and the centre of curvature (C) is termed as the principal axis.
APPEARS IN
संबंधित प्रश्न
An image which can be obtained on a screen is called a ______ image.
A concave lens produces an image 20 cm from the lens of an object placed 30 cm from the lens. The focal length of the lens is:
(a) 50 cm
(b) 40 cm
(c) 60 cm
(d) 30 cm
Define the following terms in the context of spherical mirrors :
(i) Pole
(ii) Centre of curvature
(iii) Radius of curvature
(iv) Principal axis
Select the correct option:
A concave mirror is made by cutting a portion of a hollow glass sphere of radius 30 cm. The focal length of the concave mirror is:
Define the following term:
concave mirror
Does the mirror name by your form a real image for all locations? Give a reason for your answer.
The minimum length of the mirror required to see the full image of the person is half ‘ of his height.
What is the focal length (f) of a mirror?
