Reflection of Light(Spherical Mirrors, Morror Formula) NEET Questions

Physics - Optics

Reflection of Light(Spherical Mirrors, Morror Formula) MCQ Questions


13.
A convex mirror always forms an image which is:
A.
Real and same size as object
B.
Real, inverted, and diminished
C.
Virtual, erect, and diminished, regardless of object position
D.
Virtual, erect, and magnified
😑 View Answer Rough Work Error
ANSWER :
C. Virtual, erect, and diminished, regardless of object position
14.
The magnification produced by a convex mirror for an object placed at any finite distance is always:
A.
Positive and greater than 1
B.
Equal to 1
C.
Negative and less than 1
D.
Positive and less than 1
😑 View Answer Rough Work Error
ANSWER :
D. Positive and less than 1
15.
According to the Cartesian sign convention for spherical mirrors:
A.
Distances measured against the direction of incident light are negative
B.
All distances measured from the centre of curvature are positive
C.
The focal length of a concave mirror is positive
D.
Heights measured below the principal axis are positive
😑 View Answer Rough Work Error
ANSWER :
A. Distances measured against the direction of incident light are negative
16.
In Cartesian sign convention, the focal length of a concave mirror and a convex mirror are respectively:
A.
Both positive
B.
Negative and positive
C.
Both negative
D.
Positive and negative
😑 View Answer Rough Work Error
ANSWER :
B. Negative and positive
17.
The linear magnification produced by a spherical mirror is given by:
A.
m = v/u = h'/h
B.
m = vu = h·h'
C.
m = -u/v = h/h'
D.
m = -v/u = h'/h
😑 View Answer Rough Work Error
ANSWER :
D. m = -v/u = h'/h
18.
If the magnification produced by a mirror is -2, then the image is:
A.
Virtual, erect, and twice the size of the object
B.
Virtual, inverted, and half the size of the object
C.
Real, inverted, and twice the size of the object
D.
Real, erect, and half the size of the object
😑 View Answer Rough Work Error
ANSWER :
C. Real, inverted, and twice the size of the object