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

Physics - Optics

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


13.
Which of the following mirrors is used for shaving purposes?
A.
Convex mirror
B.
Concave mirror
C.
Plane mirror
D.
Parabolic mirror
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ANSWER :
B. Concave mirror
14.
A convex mirror always forms an image that is:
A.
Real and erect
B.
Virtual and diminished
C.
Real and diminished
D.
Virtual and erect
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ANSWER :
B. Virtual and diminished
15.
If an object is placed at the center of curvature of a concave mirror, the image will be:
A.
At infinity
B.
Between focus and pole
C.
At focus
D.
At center of curvature
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ANSWER :
D. At center of curvature
16.
The focal length of a concave mirror is always:
A.
Positive
B.
Negative
C.
Zero
D.
Depends on object distance
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ANSWER :
B. Negative
17.
An object is placed at the center of curvature of a concave mirror. The image will be formed at:

NEET - 2019

A.
Focus
B.
Infinity
C.
Between focus and mirror
D.
At the center of curvature
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ANSWER :
D. At the center of curvature
18.
A concave mirror forms a real image only when the object is placed:
A.
At infinity
B.
Between focus and pole
C.
Between focus and center of curvature
D.
At the center of curvature
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ANSWER :
C. Between focus and center of curvature