
Laser Quiz
Authored by Rama Srinivasan
Physics
Professional Development
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
When a beam of light enters one medium from another, which quantity will not change?
Direction
Speed
Frequency
Wavelength
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dispersion is used to describe the
Splitting of white light into its component colors
Propagation of light in straight lines
Bending of a beam of light when it goes from one medium to another
Bending of a beam light when it strikes a mirror
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
The wavelength of light has no role in
Diffraction
Interference
Polarization
Reflection
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Laser light is ______ emission.
Coherent
Stimulated
Spontaneous
Coherent and stimulated
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following factor does not harm laser efficiency?
Atmospheric absorption
Excitation energy not absorbed
Problems in depopulating the lower laser level
Inefficiency in populating the upper laser level
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which one of the following statements is true for the speed v and the acceleration of a particle executing simple harmonic motion?
When c is maximum, a is maximum
Value of a is zero, whatever may be the value of v
hen v is zero, a is zero
When v is maximum, a is zero
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The circular motion of a particle whose speed is constant is ______________
Periodic but not simple harmonic
Simple harmonic but not periodic
Periodic and simple harmonic
Neither periodic not simple harmonic
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