Question # 1

According to Huygen's principle the points on primary wave front can be considered as

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Secondary wavelets

Ray of light

Source of light

None of these

Light entering rom air glass does not change in its.

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Frequency

Wavelength

Velocity

Direction

The property of bending of light around obstacles is

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Interference

Diffraction

Polarization

Superposition

A ray of light shows the direction of propagation of light It is line which is.

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Normal to the wave front

Parallax to the wave front

Opposite to the wave front

Equal to the wave front

The centre of Newton's rings will be

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Dark

Bright

Coloured

Not visible

Example of thin film is.

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Soap burble

convex lens

Concave lens

Glass plate

Bending of light around the edges of an obstacle is called.

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Refraction

Polarization

Interference

Diffraction

Dark fringes are also called as

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Minima

Maxima

Wave front

Ray of light

Fringe spacing is inversely proportional to.

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Wave length

Slit separation

Distance between the slit and screen

Frequency of light

Soap film is sunlight appears coloured due to.

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Dispersion of light

Diffraction of light

Scattering of light

Interference fo light

Which of the following is evidence of wave nature of light

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Interference

Diffraction

Polarization

All of these

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Physics English Medium Fsc Part 1 Chapter 9 Online MCQs Test MCQs With Answers

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