Question # 1

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

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Refraction

Polarization

Interference

Diffraction

X-ray diffraction has been very useful in determining the structure of

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Hemoglobin

Stars

Galaxies

Stones

the locus of all pint in the same wave of vibration is called.

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Wave front

Diffraction

Interference

Polarization

A ray of light is a line

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Parallel to wave front

Normal to wave front

Anti-parallel to wave

Any one of these

The fringe spacing increases if we use.

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Yellow light

Green lgiht

Blue light

Red light

If 'N' is number of lines rule don the grating having length 'L' then grating element 'd' is given by.

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N/L

2N/L

L/N

N/2L

Which of the following is evidence of wave nature of light

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Interference

Diffraction

Polarization

All of these

The distance between two consecutive wave front is equal to

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One wave length

Two wave length

Half wave length

Three wave length

Soap film is sunlight appears coloured due to.

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Dispersion of light

Diffraction of light

Scattering of light

Interference fo light

The phenomenon of polarization of light reveals that sun light is

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Longitudinal waves

Transverse wave

Electromagnetic waves

Monochromatic wave

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

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