Question # 1

When we heat the metal at high temperature they emit:

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Holes

Protons

Neutrons

Electrons

The cathode ray oscilloscope consists of main parts:

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Two

Three

Four

Five

The refracted light striking to the side of prism is called:

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Refracted ray

Incident ray

Reflected ray

Emergent ray

When did Michael Faraday discover Electromagnetic induction?

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1841

1831

1821

1811

The force on a current carrying conductor is maximum if angle between field and conductor is:

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0^o

90^o

180^o

45^o

When an electric current passes through a conductor, which field is produced around it?

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Electric field

Magnetic field

Gravitational field

Electrostatic field

When a ray of light enters from denser medium to rare medium, the angle of incidence for which angle of refraction is 90° is called:

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Angle of incidence

Critical angle

Angle of refraction

Angle of deviation

The speed of light in water is:

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2.0x10³ ms^-1

2.5x10³ ms^-1

2.3x10⁸ ms^-1

2.3x10^-8 ms^-1

The step-up transformer

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Increases the input current

Increase the input voltage

Has more turns in the primary

Has less turns in hte secondary coil

A converging lens becomes a magnifying glass when an object is placed:

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Outside of focal length

Inside the focal length

Equal of focal length

At double of focal length

The presence of a magnetic field can be detected by a

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small mass

Stationary positive charge

Stationary negative charge

Magnetic compass

Electric motor converts electrical energy into:

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Chemical energy

Solar energy

Heat energy

Mechanical energy

The angle at which prism deviates the incident ray is called:

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Angle of incident

Angle of reflection

Angle of deviation

Angle of minimum deviation

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Physics 10th Class English Medium Unit 6 Online Test MCQs With Answers

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