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Laser Quiz Questions. We covered all the Laser Quiz Questions in this post for free so that you can practice well for the exam.
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Laser Quiz Questions MCQ for Students
The absence of which key property makes ordinary light behave like optical noise?
a. Coherence
b. Directionality
c. Monochromaticity
d. Intensity
Option a – Coherence
Ordinary light is referred to as optical noise because it lacks
a. Coherence
b. Harmony
c. Visibility
d. None of these
Option a – Coherence
The property that allows laser light to be described as “optical music” is
a. Directionality
b. Monochromatic nature
c. Brightness
d. Coherence
Option d – Coherence
Light that spreads out in all directions is said to exhibit
a. Directionality
b. Divergence
c. Convergence
d. None of these
Option b – Divergence
A light source that emits light of a single wavelength or color includes
a. Sodium vapor lamp
b. Laser
c. Torch
d. 1 and 2
Option d – 1 and 2
The range of wavelengths or frequencies around the peak wavelength is known as
a. Bandwidth
b. Spectrum range
c. Band length
d. 1 and 2
Option d – 1 and 2
Light sources that exhibit divergence in the emitted light include
a. Flashlight
b. Sodium lamp
c. Traditional bulb
d. All of these
Option d – All of these
Light that travels mainly in one specific direction exhibits
a. Divergence
b. Directionality
c. Convergence
d. Interference
Option b – Directionality
The source that emits light with strong directional properties is
a. Laser
b. Flashlight
c. Incandescent bulb
d. Table lamp
Option a – Laser
When a beam from a searchlight travels 1 kilometer, its diameter becomes approximately
a. 1 meter
b. 1 kilometer
c. 1 centimeter
d. 10 centimeters
Option b – 1 kilometer
A laser beam traveling 1 kilometer will expand to a diameter of less than
a. 1 meter
b. 1 millimeter
c. 1 centimeter
d. 1 kilometer
Option c – 1 centimeter
The feature of laser light that allows it to be precisely focused on a distant target is
a. Directionality
b. Coherence
c. Monochromaticity
d. Intensity
Option a – Directionality
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