Advertisements
Advertisements
प्रश्न
The spherical mirror used in a beauty parlour as make-up mirror is _______.
उत्तर
The spherical mirror used in a beauty parlour as a make-up mirror is Concave mirror.
APPEARS IN
संबंधित प्रश्न
A student focused the Sun rays using an optical device 'X' on a screen S as shown.
From this it may be concluded that the device 'X' is a (select the correct option)
(A) Convex lens of focal length 10 cm.
(B) Convex lens of radius of curvature 20 cm.
(C) Convex lens of focal length 20 cm.
(D) Concave mirror of focal length 20 cm.
Define the following term in the context of spherical mirrors:- Pole
What is the relation between the focal length and radius of curvature of a spherical mirror (concave mirror of convex mirror)? Calculate the focal length of a spherical mirror whose radius of curvature is 25 cm.
State the direction of incident ray which after reflection from a spherical mirror gets reflected along its own path. Give a reason.
Complete the following diagrams in Figure by drawing the reflected rays for the incident rays 1 and 2.
Which mirror will you prefer to use as a rear view mirror in a car : plane mirror or convex mirror? Give one reason.
Define the term Pole.
What is the relationship between the focal length and radius of curvature?
Complete the following diagrams shown in the below figure by drawing the reflected ray for each incident ray.
