Question # 1

In an object is placed in between focus point and Opticla center of a convex lens, the image formed by lens is.

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Real inverted

Virtual diminshed

Virtual inverted

Virtual erected

Multimode step index fibre is useful for

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Long distances

Short distances

Better quality

Low price

The minimum distance from eye at which an object appears to be distinct is

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Near point

Focal length

Image distance from lens

Object distance from lens

A layer over the central core of the jacke is called.

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Jacket

Plastic

Cladding

Rubber

The location of near point changes with

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Age

Size of the eye

Sharpness of the eye

None of these

A double convex lens acts as diverging lens when the object is

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At infinity

Inside the focus

A way from focus

A a large distance from lens

The magnifying power of a convex lens of focal lendth 10 cm is

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7

9.6

11

3.5

Multimode step index fiber is useful for.

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Long distance

Sort distance

Very long distance

Infinite distance

A convex lens acts as diverging lens if the object is placed at

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F

2F

Between F and 2 F

Within the F

Image formed by a concave lens is

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Real

Virtual

Erect

None of these

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Physics English Medium Fsc Part 1 Chapter 10 Online MCQs Test MCQs With Answers

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