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Physics 10th Class English Medium Unit 5 Online Test MCQs With Answers

Question # 1

Which combination forms NAND gate:

Choose an answer

AND & OR

AND & NOT

NOT & OR

NAND & NOT

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Question # 2

What should household appliances be connected in parallel with the voltage source?

Choose an answer

to increase the resistance of the circuit

to decrease the resistance of the circuit

to provide each appliance the same voltage as the power source

to provide each appliance the same current as the power source

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Question # 3

The resistance of voltmeter is:

Choose an answer

zero

low

Very high

10Ω

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Question # 4

Resistance of conductor is directly proportional to:

Choose an answer

Length

Pressure

Area

All of these

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Question # 5

In OR operation inputs are connected as:

Choose an answer

Series

Parallel

Both series or parallel

None of these

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Question # 6

The mirror whose inner surface is reflecting is called:

Choose an answer

Concave mirror

Convex mirror

Mirror

Lens

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Question # 7

Specific resistance of copper is ____________ x 10^-8Ohm-meter

Choose an answer

1.62

1.69

5.25

2.75

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Question # 8

A conductor of electric current is:

Choose an answer

Wood

Rubber

Plastic

Copper

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Question # 9

The ampere is a unit of:

Choose an answer

Energy

Potential differrence

Electric potential

Electric current

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Question # 10

An object is 14 cm in front of a convex mirror. The image is 5.8 cm behind the mirror. What is the focal length of the mirror:

Choose an answer

-4.1 cm

-8.2 cm

-9.9 cm

-20 cm

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Question # 11

Which instrument is used to detect current?

Choose an answer

Galvanometer

Voltmeter

Ammeter

Electroscope

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Question # 12

Image formed on a camera is:

Choose an answer

Real, inverted, and diminished

Virtual, upright and diminished

Virtual, upright and magnified

Real, inverted and magnified

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