Question # 1

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

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

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

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Resolving power

Magnification

Scattering

Reflection

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

Reapters are placed in new system at distance of.

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30 km

50 km

80 km

100 km

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 optical fiber is covered for protection by a

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Glass Jacket

Plastic Jacket

Copper Jacket

Aluminum Jacket

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

Which is not the essential component of a spectrometer.

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Collimator

Telescope

Turntable

Microscope

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

If focal length of objective and eye piece is 0.5 m and 10 cm respectively then magnifying power of telescope will be.

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0.5

5

10

20

The types of optical fibres are

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Three

Four

Five

Six

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 speed of light was measured correctly by

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Galileo

Michelson

Newton

Maxwell

The diameter of a lens is called

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Focal length

Aperture

Principle axis

Centre

The final image seen through ey piece in telescope is.

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Real, enlarge and inverted

Vertual, enlarge and erect

Virtual, enlarge and inverted

In Real, enlarge and erect

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Physics ICS Part 1 Chapter 10 Online Test MCQs With Answers

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