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10th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers

Question # 1

For the emission of electrons from the tungsten filament the values of current and voltage are taken as:

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0.1 A and 2V

0.2 A and 4V

0.3A and 6V

0.4A and 8V

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Question # 2

An object gains excess negative charge after being rubbed against another object, which is:

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Neutral

Negatively charged

Positively charged

Either, a, b or c

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Question # 3

The force applied on the mass attached with a spring is represented by:

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F_a

F_c

F_ext

F_s

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Question # 4

The direction of electric field lines due to positive charge is:

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A way from the charge

Towards the charge

Both a and b

None of these

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Question # 5

If we double the distance between two charges, what will be the change in the force between them?

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Half

Double

One fourth

Four times

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Question # 6

The vacuum all electromagnetic wave have the same

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speed

frequency

amplitude

wavelength

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Question # 7

The totally reflectiing prism one angle is of:

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45^o

90^o

180^o

120^o

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Question # 8

The SI unit of electric field intensity is:

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NC-2

NC-1

Nm-1

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Question # 9

The process of breaking a heavy nucleus after the bombardment of neutrons into two small nuclei is called:

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Nuclear fission reaction

Nuclear fusion reaction

Nuclear Radiation

Nuclear chain reaction

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Question # 10

The resistance of voltmeter is:

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zero

low

Very high

10Ω

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Question # 11

Which particles are nucleons?

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Electrons and protons

Protons and neutrons

Electrons and neutrons

Electrons and positrons

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Question # 12

Thye Water waves obey the laws of

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Reflection

Refraction

Diffraction

All of these

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Question # 13

An example of input device computer is:

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Keyboard

printer

monitor

RAM

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