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Standard XII
Physics
Intro to Thin Lenses
The lens in s...
Question
The lens in spectacles can be approximated to thin lens.
A
True
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B
False
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Solution
The correct option is
A
True
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Similar questions
Q.
The lens in spectacles can be approximated to thin lens.
Q.
The defect hypermetropia of an eye can be corrected by using spectacles containing ....................... lens.
Q.
A person finds difficulty in seeing nearby objects clearly. His vision can be corrected by using spectacles containing:
(a) converging lenses
(b) diverging lenses
(c) prismatic lenses
(d) chromatic lenses
Q.
An eye specialist prescribes spectacles to a patient. The spectacles is a combination of a convex lens of focal length
20
cm and a concave lens of focal length
25
cm. The power of this lens combination will be.
Q.
doctor prescribes spectacles to a patient with a combination of a convex lens of focal length 40 em, and concave lens of focal length 25 em then the power of spectacles will be.
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