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Class 10 Light mcq. We covered all the Class 10 Light mcq in this post for free so that you can practice well for the exam.
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Mock test on Light for Class 10 Students
When Light hits a smooth and shiny surface, the majority of it
a) reflects in one uniform direction
b) reflects in multiple directions
c) scatters randomly
d) bends into another medium
Option a – reflects in one uniform direction
What type of image is produced by a plane mirror?
a) Real and upside down
b) Virtual and upright
c) Real and upright
d) Virtual and upside down
Option b – Virtual and upright
If a ray of Light passes through the focus of a concave mirror, the reflected ray
a) goes through the pole
b) travels parallel to the main axis
c) retraces its path
d) passes through the center of curvature
Option b – travels parallel to the main axis
What is the magnifying ability of a concave lens?
a) Always greater than one
b) Always less than one
c) Always equal to one
d) Can vary depending on the object
Option b – Always less than one
What kind of image can a convex lens produce?
a) Virtual and enlarged
b) Virtual and reduced
c) Virtual and same-sized
d) No virtual image is formed
Option a – Virtual and enlarged
A point object is located 20 cm from a convex mirror with a focal length of 20 cm. Where is the image formed?
a) At infinity
b) At the focal point
c) At the mirror’s surface
d) Behind the mirror
Option d – Behind the mirror
The focal length of a concave mirror is considered to be
a) Negative
b) Positive
c) Dependent on the object’s position
d) Dependent on the image’s position
Option a – Negative
A lens has a power of -2 dioptres. What is its focal length?
a) +50 cm
b) -100 cm
c) -50 cm
d) +100 cm
Option c – -50 cm
A spherical mirror and a spherical lens both have focal lengths of -10 cm. What can you infer?
a) Both are concave
b) Both are convex
c) The mirror is concave, and the lens is convex
d) The mirror is convex, and the lens is concave
Option a – Both are concave
If the magnification of a lens is negative, the image will be
a) Virtual and upside down
b) Virtual and upright
c) Real and upright
d) Real and inverted
Option b – Virtual and upright
Which of the following devices forms a highly reduced and point-like image of a faraway object?
a) Concave mirror only
b) Convex mirror only
c) Convex lens only
d) All mirrors and lenses mentioned above
Option d – All mirrors and lenses mentioned above
When an object is at the focal point of a concave mirror, the image formed is
a) Real and inverted
b) Infinitely large
c) Formed at infinity
d) All of the above
Option d – All of the above
Placing an object at the focal point of a concave mirror results in an image that is
a) Located at infinity
b) Greatly magnified
c) Real and upside down
d) All of the above
Option d – All of the above
Which of the following is correct?
a) A convex lens with a power of 4D has a focal length of 0.25 m
b) A convex lens with -4D power has a focal length of 0.25 m
c) A concave lens with 4D power has a focal length of 0.25 m
d) A concave lens with -4D power has a focal length of 0.25 m
Option a – A convex lens with a power of 4D has a focal length of 0.25 m
The rules of reflection apply to
a) Plane mirrors only
b) Concave mirrors only
c) Convex mirrors only
d) All types of mirrors
Option d – All types of mirrors
Which mirror can generate a virtual, upright, and enlarged image?
a) Concave mirror
b) Convex mirror
c) Plane mirror
d) Both concave and convex mirrors
Option a – Concave mirror
If an image forms in front of a mirror, its distance is considered
a) Positive or negative depending on object size
b) Neither positive nor negative
c) Positive
d) Negative
Option d – Negative
When Light moves from a less dense to a more dense medium, it
a) Travels straight without deviation
b) Bends toward the normal line
c) Bends away from the normal
d) Is completely blocked
Option b – Bends toward the normal line
When does a concave mirror produce an image larger than the object?
a) When the object is placed at a distance equal to the mirror’s radius of curvature
b) When the object is located closer than the focal length
c) When the object is between the focal point and center of curvature
d) When the object is beyond the radius of curvature
Option c – When the object is between the focal point and center of curvature
What kind of image does a concave mirror create when the object is very far away?
a) Enlarged
b) Virtual
c) Upright
d) Real, upside down, and reduced in size
Option d – Real, upside down, and reduced in size
What does the law of reflection state?
a) Angle of incidence equals angle of reflection
b) Sine of incidence equals sine of reflection
c) Sine of incidence divided by sine of reflection remains constant
d) All of these
Option a – Angle of incidence equals angle of reflection
Under what condition can a convex mirror display an inverted image?
a) Never
b) When the object is placed very far
c) When the object is at the mirror’s radius of curvature
d) When the object is at the mirror’s focal length
Option a – Never
If an object is located between the focal point and twice the focal length of a convex lens, the image forms
a) At the focal point
b) At twice the focal length
c) Beyond twice the focal length
d) Between the lens and the focal point
Option c – Beyond twice the focal length
We covered all the Class 10 Light mcq above in this post for free so that you can practice well for the exam.
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