Question # 1

The first person who attempted to measure the speed of light was.

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Michelson

Hygen's

Galileo

Ability

Using a graded Index fibre, the time difference is reduced to about.

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1 ns per km

33 ns per 100 km

33 ns per km

1 ns per 100 km

the final image obtained by astronomical telescope is.

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Erect

Virtual

Magnified

All of these

Multimode step index fibre is useful for

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Long distances

Short distances

Better quality

Low price

The ability of reveal the minor details of an object under examination is called.

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Resolving power

Magnification

Scattering

Reflection

The final image formed by a simple microscope.

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Virtual and inverted

Real and erected

Virtual and erected

Real and inverted

Multimode graded index fibre has a core whose diameter range lie from.

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5 to 50 micro meter

50 to 100 micro meter

40 to 1000 micro meter

50 to 10,000 micrometer

The magnifying power is also called

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Resolving power

Angular magnification

Strength of eye

None of these

Information carrying capacity of optical fibre called.

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Capacity

Band width

Immunity

Ability

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

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

The speed of light was measured correctly by

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Galileo

Michelson

Newton

Maxwell

Which is not the essential component of a spectrometer.

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Collimator

Telescope

Turntable

Microscope

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

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

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5

10

15

25

The light emitted from light emitting diode has wave length.

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1.1 micro meter

1.3 micro meter

1.5 micro meter

1.7 micro meter

Image formed by a concave lens is

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Real

Virtual

Erect

None of these

The least distance of distinct vision for the normal eye is.

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15 cm

25 cm

125 cm

25 m

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Physics Fsc Part 1 Chapter 10 Online Test MCQs With Answers

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