Question # 1

An example of input device computer is:

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Keyboard

printer

monitor

RAM

An object is placed 6 cm away in front of a concave mirror that has 10 cm focal length. Determine the location of the image:

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-5 cm

-10 cm

-15 cm

-20 cm

CD which is made of soft material is called:

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Hard disk

Floppy disk

Iron disk

Copper disk

Half of radius of curvature is called:

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Focal length

Principal focus

Axis

None of these

What does the term e-mail stand for:

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Emergency mail

Electronic mail

Extra mail

External mail

Snell's law is stated as:

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Sin i / sin r = n1/n2

sin i / sin r = n2/n1

sin r / sin i = n2/n1

sin r / sin i = 2n2/n1

The angle of which prism deviates the incident ray is called:

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angle of incident

angle of reflection

angle of deviation

angle of minimum deviation

The S.I unit of power of a lens is:

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Dioptre

Volt

Ampere

Watt

An object of placed at he centre of curvature of a concave mirror. The image produced by the mirror is located:

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out beyond the centre of curvature.

at the centre of curvature

between the centre of curvature and the focal point

at the focal point

Sun light consist of ____________ colour

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6

7

5

2

Hard disk is made of:

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Aluminium

Copper

Iron

Plastic

Concave mirror formula is given by:

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R = 2r

sin<i/sin<r

1/f=1/p+1/q

1/f=1/p-1/q

From which of the following we can get information almost about everything:

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Book

Teacher

Computer

Internet

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Physics 10th Class English Medium Unit 3 Online Test MCQs With Answers

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