Question # 1

The magnifying power is also called

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Resolving power

Angular magnification

Strength of eye

None of these

__ will travel faster than other through an optical fibre.

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Ultraviolet light

Visible light

Infrared light

White light

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

Critical angle is that incident angle in denser medium for which angle of refraction is.

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0 ^o

45 ^o

90 ^o

120 ^o

The Detector in Photo phone is made up of.

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Cadmium

Germanium

Selenium

Silicon

The optical fiber is covered for protection by a

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Glass Jacket

Plastic Jacket

Copper Jacket

Aluminum Jacket

The final image formed by a simple microscope.

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Virtual and inverted

Real and erected

Virtual and erected

Real and inverted

The location of near point changes with

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Age

Size of the eye

Sharpness of the eye

None of these

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 convex lens can be used as

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Simple microscope

Compound microscope

Telescope

Spectrometer

Total confined light is obtained by

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Total internal reflection

Refraction of light

Diffraction

Polarization

The light signal in Opticla fiber must be regenerated by advice called.

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Regenerator

Generator

Repeater

Diode

Reapters are placed in new system at distance of.

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30 km

50 km

80 km

100 km

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

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Resolving power

Magnification

Scattering

Reflection

The accepted value for speed of light in vacuum

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2.99 x 10⁸m - sec^-1

2.99 x 10⁶m - sec^-1

2.99 x 10⁸km - sec^-1

2.99 x 10⁸m - h^-1

The types of optical fibres are

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Three

Four

Five

Six

the final image obtained by astronomical telescope is.

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Erect

Virtual

Magnified

All of these

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Physics Fsc Part 1 Chapter 10 Online Test MCQs With Answers

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