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

Question # 1

The speed of light was measured correctly by

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Galileo

Michelson

Newton

Maxwell

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Question # 2

In Michelson's experiment the relation used to find the speed of light is

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16 fc

1/16 fd

16 fd

16/fd

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Question # 3

More details of an object can be seen with a microscope by using

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Green light

Red light

Yellow light

Blue light

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Question # 4

If a convex lens is used as a magnifying glass, whcih lens will give higher magnification that has.

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Short size

Long focal length

Large size

Short focal length

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Question # 5

For normal adjustment what is the length of astronomical telescope if focal lengths of astronomical telescope if focal lengths of objective and eye piece are 100 cm 20 cm respectively.

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10 cm

20 cm

5 cm

120 cm

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Question # 6

Total confined light is obtained by

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Total internal reflection

Refraction of light

Diffraction

Polarization

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Question # 7

If the object is at 5 cm from the lens of simple microscope than its magnifying power will be.

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Question # 8

Reapters are placed in new system at distance of.

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30 km

50 km

80 km

100 km

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Question # 9

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

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Question # 10

The optical fibre is covered for protection by

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Glass jacket

Plastic jacket

Steel jacket

Diamond jacket

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