Ray Optics (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 100 - 103 of 105

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Question number: 100

» Ray Optics » Lens Maker's Formula and Lens Formula

Appeared in Year: 2016

MCQ▾

Question

A person can see clearly object only when they lie between Equation and Equation from his eyes. In order to increase the maximum distance of distinct vision to infinity, the type and power of the correcting lens, the person has to use, will be:

Choices

Choice (4) Response

a.

Convex, Equation diopter

b.

Concave, Equation diopter

c.

Convex, Equation diopter

d.

Concave, Equation diopter

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Question number: 101

» Ray Optics » Lens Maker's Formula and Lens Formula

Appeared in Year: 2016

MCQ▾

Question

Two identical glass Equation equiconvex lenses of focal length Equation each are kept in contact. The space between that two lenses in filled with water Equation . The focal length of the combination is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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Question number: 102

» Ray Optics » Reflection and Refraction of Light » Smooth Surface

Appeared in Year: 2016

MCQ▾

Question

An air bubble in a glass slab with refractive index 1.5 (near normal incidence) is 5 cm deep when viewed from one surface and 3 cm deep when viewed from the opposite face. The thickness (in cm) of the slab is –

Choices

Choice (4) Response

a.

12

b.

10

c.

8

d.

16

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Question number: 103

» Ray Optics » Resolving Power of Microscopes and Astronomical Telescopes

Appeared in Year: 2017

MCQ▾

Question

The ratio of resolving powers of an optical microscope for two wavelengths Equation and Equation is:

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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