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A spherical mirror and a thin spherical lens have each a focal length of -12 cm. The mirror and the lens are likely to be:
  • a)
    Both concave
  • b)
    Both convex
  • c)
    The mirror is concave and the lens is convex.
  • d)
    The mirror is convex and the lens is concave.
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A spherical mirror and a thin spherical lens have each a focal length ...
The focal length of concave mirror and lens is always negative.
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Most Upvoted Answer
A spherical mirror and a thin spherical lens have each a focal length ...
Yaa they must be concave...because all distances r measured from pole and the direction of incident ray must be taken as positive and vice versa
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Community Answer
A spherical mirror and a thin spherical lens have each a focal length ...
How I did not understand...
The focal length of converging lens and converging mirrors is positive...
The f for diverging lens and diverging mirrors are negative...
They have given - 12 so focal length is nagative...
I think the answer is cacave lens and convex mirror...
If not explain clearly...

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A spherical mirror and a thin spherical lens have each a focal length of -12 cm. The mirror and the lens are likely to be:a)Both concaveb)Both convexc)The mirror is concave and the lens is convex.d)The mirror is convex and the lens is concave.Correct answer is option 'A'. Can you explain this answer?
Question Description
A spherical mirror and a thin spherical lens have each a focal length of -12 cm. The mirror and the lens are likely to be:a)Both concaveb)Both convexc)The mirror is concave and the lens is convex.d)The mirror is convex and the lens is concave.Correct answer is option 'A'. Can you explain this answer? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about A spherical mirror and a thin spherical lens have each a focal length of -12 cm. The mirror and the lens are likely to be:a)Both concaveb)Both convexc)The mirror is concave and the lens is convex.d)The mirror is convex and the lens is concave.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A spherical mirror and a thin spherical lens have each a focal length of -12 cm. The mirror and the lens are likely to be:a)Both concaveb)Both convexc)The mirror is concave and the lens is convex.d)The mirror is convex and the lens is concave.Correct answer is option 'A'. Can you explain this answer?.
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