Home
About
FAQs
System Requirements
In the news
Workshops
Training
Training Calendar
Request for Training
Training Status
Registration
For Teachers
For Students
For Schools
Contact us
Login
Languages
English
हिंदी
മലയാളം
తెలుగు
Français
मराठी
Español
ಕನ್ನಡ
you are here->
home
->
Physics
->
Class 12
->
Convex Mirror - Focal Length
Convex Mirror - Focal Length
Theory
Theory
Procedure
Animation
Simulator
Viva Voce
Resources
Feedback
1)
Which of the following best describes the image formed by a convex mirror when the object distance from the mirror is less than the absolute value of the focal length (f)?
Real, inverted and enlarged.
Virtual, upright and enlarged.
Virtual, upright and reduced.
Real, inverted and reduced.
2)
When the image of an object is seen in a convex mirror the image will ____________.
Always be real.
May be either real or virtual.
Will always be magnified.
Always be virtual.
3)
An object is 14 cm in front of a convex mirror. The image is 5.8 cm behind the mirror. What is the focal length of the mirror?
-20 cm
-4.1 cm
-9.9 cm
-8.2 cm
4)
A convex spherical mirror has a focal length of -20 cm. An object is placed 10 cm in front of the mirror on the mirror's axis. Where is the image located?
6.7 cm behind the mirror.
20 cm behind the mirror.
20 cm in front of the mirror.
6.7 cm in front of the mirror.
5)
If R is the radius of curvature of a convex mirror, and f is its focal length, then:
R = 2f
R = f/2
R = 3f
R = f
6)
Which one of the following is a diverging mirror?
A shaving mirror.
Concave mirror.
Plane mirror.
Convex mirror.
7)
The focal length of a convex mirror of radius of curvature 30 cm is:
20 cm
15 cm
10 cm
30 cm
8)
If the focal length of a convex mirror is 12.5 cm, its radius of curvature will be:
25 cm
6.25 cm
30 cm
20 cm
9)
Which one of the following focus is situated behind the mirror?
Plane mirror
Shaving mirror
Concave mirror
Convex mirror
10)
A convex spherical mirror has a focal length of -15 cm. The image is formed 7.5 cm behind the mirror. Where is the object located?
15 cm behind the mirror.
20 cm in front of the mirror.
12.3 cm behind the mirror.
15 cm in front of the mirror.
Cite this Simulator:
amrita.olabs.edu.in,. (2016). Convex Mirror - Focal Length. Retrieved 21 May 2022, from amrita.olabs.edu.in/?sub=1&brch=6&sim=243&cnt=709