A convex glass lens has a thickness of 36.6 mm at the thickest part of it. An ob

Question

A convex glass lens has a thickness of 36.6 mm at the thickest part of it. An object is placed 25.3 from the middle of the lens. Would you consider the lens to be a thin lens or thick lens or medium lens? Answers: (a) Definitely a thick lens. The lens is too thick to be considered a thin or medium lens. (b) Maybe a medium sized lens. To be considered a thin lens, the thickness should be less than or greater than a specified value, respectively. (c) Definitely a thin lens. The thickness is very small compared to the distance to the object. (d) Not enough information is given to make a decision.

Explanation / Answer

Definitely a thin lens.The thick ness is very small compared to the distance of object.

option C is correct one.

Generally thickness compared with focal length of the lens.

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