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Physical Optics - Set 1

Home
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NUST Entrance Test
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Physics
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Physical Optics

Set 1

MM

Mashaal Masha

Oct 15, 2022

On this page

$Light has:$
$Wavelength of light, on the average, is given by:$
$Electromagnetic waves transport:$
$Which one of the following can act approximately as a source of monochromatic light:$
$Wavelength of red color as compared to that of violet color is:$
$Frequency of red color as compared to that of violet color is:$
$Monochromatic light means waves of:$
$The locus of all the points in the same phase of vibration is called:$
$Angle between ray of light and the corresponding wavefront is:$
$Huygen principle is used to determine:$

Choose the correct options for the following questions.

Light has:

Difficulty: Easy

A:

Wave nature

B:

Particle nature

C:

Dual nature

D:

None

Wavelength of light, on the average, is given by:

Difficulty: Easy

A:

$10^{-14}$ m

B:

$10^{-10}$ m

C:

Wavelength of red color as compared to that of violet color is:

D:

$10^{-4}$ m

Electromagnetic waves transport:

Difficulty: Easy

A:

Energy only

B:

Momentum only

C:

Both a and b

D:

None

Which one of the following can act approximately as a source of monochromatic light:

Difficulty: Easy

A:

Neon lamp

B:

Fluorescent tube

C:

Sodium lamp

D:

None

Wavelength of red color as compared to that of violet color is:

Difficulty: Easy

A:

Smaller

B:

Longer

C:

Equal

D:

None

Frequency of red color as compared to that of violet color is:

Difficulty: Easy

A:

Equal

B:

Smaller

C:

Greater

D:

None

Monochromatic light means waves of:

Difficulty: Easy

A:

Same frequency

B:

Same color

C:

Same wavelength

D:

All

The locus of all the points in the same phase of vibration is called:

Difficulty: Easy

A:

Wave packet

B:

Wavefront

C:

Wave number

D:

None

Angle between ray of light and the corresponding wavefront is:

Difficulty: Easy

A:

0^{\circ}

B:

60^{\circ}

C:

90^{\circ}

D:

120^{\circ}

Huygen principle is used to determine:

Difficulty: Easy

A:

Speed of light

B:

Location of wavelength

C:

Abour polarized and unpolarized light

D:

None