Ray Optics (NEST (National Entrance Screening Test) Physics): Questions 1 - 1 of 1

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Question number: 1

» Ray Optics » Lens Formula

Appeared in Year: 2007

MCQ▾

Question

An illuminated object is fixed at one end of an optical bench of length Equation and a screen is fixed at the other end of the bench. A convex lens is to be used to obtain the image of the object on the screen. The maximum value of the focal length of the lens that can be used (without changing the object and screen positions) for the purpose is:

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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