Statement A: Lens maker's formula is applicable to thin lenses and paraxial rays.
Statement B: Thick lenses show chromatic aberration due to dispersion of light.
Statement C: If lower half of a concave mirror is covered with a non-reflecting suface, the image by it will be half that of the whole object.

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The statements A and B are correct but C is wrong

All the statements are wrong

Statement A is correct but B and C are wrong

Statement A is wrong but B and C are correct

answer is A.

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Detailed Solution

A. True. Lens maker's formula applies to thin lenses and paraxial rays.

B. True. Thick lenses exhibit chromatic aberration due to light dispersion.

C. False. Covering half of a concave mirror does not halve the size of the image formed; the image size depends on other factors.

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