Question # 1

If one of the resistors in a parallel circuit is removed, the total resistance will be:

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Doubled

Decreased

Increased

Remain same

The half life of carbon -14 is:

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5730 years

5740 years

5750 years

5760 years

Which of the following is not Processing?

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arranging

manipulation

calculating

gathering

When a Uranium (92 protons)ejects a beta particle, how many protons are left in the remaining nucleus?

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89 Protons

90 Protons

91 Protons

93 Protons

In 1950, physicists observed that in cathode ray tube a special type of rays produced from cathode, these rays were called:

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Cathode rays

X-rays

Alpha rays

Gamma rays

The point through which rays of light pass after reflection from concave mirror is called principal:

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Focus

Circle

Axis

Radius

The index of refraction depends on:

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The focal length

The speed of light

the image distance

The object distance

Specific resistance of aluminium in (10^-8 Ω.m) is:

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1.7

2.75

5.25

1.69

Who discovered the phenomenon of natural radioactivity?

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Henry Becurial

Merry Curi

Perry

Rutherford

Capacitors that are used in resonant circuits that tune radios to particular frequencies, such circuits are called:

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Series circuits

Filter circuits

Parallel circuits

AC circuits

Sun light consist of ____________ colour

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6

7

5

2

the part of waves at which particles of the medium are below the normal position are called:

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extreme position

crest

trough

compression

First voice signal was transmitted in the form of electrical signal in:

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1870

1875

1876

1880

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Physics 10th Class English Medium Online Test MCQs With Answers

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