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Department of Civil Engineering
Applied Physics 11
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Question 1 : Lasers are the _____________ emission of radiation
Option-1 :Stimulated
Option-2 :Thermal
Option-3 :Spontaneous
Option-4 :Optical
Question 2 : Laser are different with respect to oridinary light in-terms of it________________
Option-1 :Reflection
Option-2 :refraction
Option-3 :polarization
Option-4 :scattering
Question 3 : Acoustics is the science related to the distribution of _______________
Option-1 :Theatre
Option-2 :Auditorium
Option-3 :Hall
Option-4 :Room
Question 4 : The reverberation time depends upon the _______________ material
Option-1 :air density
Option-2 :Temperature
Option-3 :Pressure
Option-4 :absorbing material
Question 5 : Ultrasonics have the frequency greater than _____________ Hz
Option-1 :25 KHz
Option-2 :30 KHz
Option-3 :20 KHz
Option-4 :10 KHz
Question 6 : Dog can hear the frequency of _______________ waves
Option-1 :Ultrasonic
Option-2 :Infrasonic
Option-3 :Audiable
Option-4 :none of above
Question 7 : laser are used in the field of _____________ surgery
Option-1 :opthamology
Option-2 :Medical Science
Option-3 :Nature Science
Option-4 :none of above
Question 8 : The good sound absorbing materials is __________
Option-1 :cork
Option-2 :steel plate
Option-3 :plastic plate
Option-4 :Nylon sheet
Question 9 : Echeleon effect causes _________
Option-1 :Noise
Option-2 :Interference
Option-3 :Loss of energy
Option-4 :None of above
Question 10 : Optical pumping is the process by which atoms are exited to ___________ energy states.
Option-1 :Higher
Option-2 :lower
Option-3 :intermediate
Option-4 :no effect
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