Question # 1

Which element is used to locate the ulcer in brain?

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Iodine-131

Phosphorus-32

Carbon-14

Potassium-40

A digital multimeter is used to measure:

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Current

Resistance

Potential difference

All of above

What type of graph is in between V and I, if metal obeys ohm’s law:

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Curved

Parabola

Straight line

None of these

Which radiations are free of effect of electric and magnetic field?

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Alpha

Beta

Gamma

Alpha and beta

The symbol of atomic mass number is:

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A

X

N

Z

Radiations present in atmosphere due to the presence of different radioactive elements are:

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Cosmic radiations

Background radiations

secondary radiations

Electromagnetic radiations

What happen to the atomic number of an element which emits one alpha particle and a beta particles.

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Increases by 1

Stay the same

Decrease by 2

Decrease by 1

The rating of a fuse wire is always expressed in:

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ampere-hours

KWh

Volts

Amperes

The half life of plutonium²³⁶Pu₉₄is:

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2.00 years

2.35 years

2.79 years

2.85 years

the power of washing machine is:

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700 W

750 W

650 W

800 W

The A.C used in Pakistan has frequency:

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60 Hz

30 Hz

50 Hz

130 Hz

Joule’s law is W=

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IR/t

IRt²

IR²t

I²Rt

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Physics 10th Class English Medium Unit 9 Online Test MCQs With Answers

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