Question # 1

Michelson's interferometer can be used to measure.

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Wavelength of light

Intensity of light

Amplitude of disturbances

Frequency of light

Which of the following are examples of transverse and a longitudinal wave.

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Radio and sound waves

Radio and light waves

Light and water ripples

Light and sound waves

Which of the following is electromagnetic wave.

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X rays

Micro waves

Light

All of these

When two identical waves are superimposed the velocity of the reasultant wave.

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Increases

Decreases

Become zero

Remain unchanged

Huygen's wave theory falls to explain

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Diffraction

polarization

Interference

Refraction

x-rays can cause fluorescence in materials such as

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Cadmium

Zinc sulphide

Palatinocyanide

All of these

The wave phenomenon that classifies light as a transverse wave is.

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Polarization

Diffraction

Interference

Refraction

The phenomenon of beats takes place due to

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Longitudinal waves

Transverse waves

Stationary waves

Both a and b

The closed end of an organ pipe having longitudinal stationary waves in it behaves as

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Antinode

Source of waves

Node

Antinode

interference and diffraction of light support the

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Wave nature of light

Transverse nature of light waves

Quantum nature of light

Electromagnetic nature of light

When temperature increases, frequency of an organ pipe

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Decreases

Increases

Remain the same

Become zero

Difference in the density of two medium when waves are passing from one into another medium always results in the change in.

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Wave speed

Wave direction

Both speed and direction

Wave frquency

Fringe spacing in double slit experiment can be increased by decreasing.

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Wavelength of light

Width of slits

Slite separation

Distance between the slits and screen

Which form of electromagnetic radiation is used in RADAR.

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Long wavelength ultraviolet waves

short wavelength microwaves

short wavelength infrared wave

Long wavelength radiowaves

Hygen's principle states that

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Light travels in straight line

Light travels in electromagetic waves

All points of primary wave front are source of secondary wavelets

Light has dual nature

With the increase of temperature, teh pitch of an organ pipe

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Increase

Descrease

Remain the same

May increase or decrease

Light product by a single Nicole is

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Unpolarized

Plane polarized

Circulatory polarized

Elliptically polarized

We can hear beats when the difference in the frequencies of two sounding bodies is not more than.

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2

4

6

10

Stationary waves are produced when two identical waves are moving on the string.

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Along the same direction

Along the opposite direction

Along the perpendicular direction

Of length 1 m

Newton's rings are experimentally derived from the phenomenon of.

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Polarization of light

Resolution of light

Interference of light

Diffraction of light

Intensity of the dark bands in interference pattern becomes zero when two waves.

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Of light are monochromatic

Are of the same frequency

Are of the same amplitude

Travel in opposite direction

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PPSC Physics Chapter 5 Waves and Wave Properties of Light MCQs With Answers

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