Question # 1

Which waves of the following has highest frequency?

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Radio waves

Micro waves

Light wave

Sound wave

Which form of energy is sound:

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Electrical

mechanical

Thermal

Chemical

The process by which electrons are emitted by a hot metal surface is known as:

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Boiling

Evaporation

Conduction

Thermionic emission

Which of the following is an example of simple harmonic motion:

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Motion of a simple pendulum

The motion of ceiling fan

The spinning of the earth on its axis

A bouncing ball on a floor

Which of the following is a method of energy transfer:

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Conduction

Radiation

Wave motion

All of these

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

One joule per coulomb is called:

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Volt

Farad

Ampere

Tesla

In computer terminology information means.

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any data

raw data

processed data

large data

electric intensity is a quantity:

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scalar

vector

base

none of these

The centre of spherical mirror is called:

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Focus

Axis

Centre

Pole

Angle opposite to the base of triangle of prism is called:

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angle of incidence

angle of refraction

angle of prism

emerging angle

In there is no extension in the spring then this positon is called

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Equilibrium position

Unequilibrium

Nautral equilibrium

Stable equilibrium

If we double both the current and the voltage in a circuit while keeping its resistance constant, the power.

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remains unchanged

halves

doubles

four time

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