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Physics Objective Questions For Competitive Exams

Physics Questions For Competitive exams

Physics Objective Questions For Competitive Exams

PHYSICS MCQ’s -1

Physics Objective Questions For Competitive Exams | Groups | Banks | RRB’s

Light waves propagates in the form

 a) Transverse waves 

 b) Longitudinal waves

 c)  Both 



  Units of frequency

a)  second/cycle

b)  cycle/second

c)  cycle/min 

  If the amplitude of waves decreases with respect to time, then such waves are

 a) Sound waves

 b) Slow amplitude waves

 c) Damping waves  

   maximum displacement of vibrating particle from its mean point known as

 a) Amplitude

 b) Acceleration

 c) Magnitude  

  Ultra sound wave used to scan the internal organs of the body is

 a) Ultra X ray

 b) Ultra scanning

 c) Ultra Sonography  

  Sound through the solid is

 a) Transverse waves

 b) Longitudinal waves

 c) Both    

  Transverse waves, pick odd

 a) Solid

 b) Liquids

c)  Air  

   Humans can hear sound in range of

 a) 10 Hz to 20,000 Hz

 b) 20 Hz to 20,000 Hz

 c) 20 Hz to 40,000 Hz   

   Stationary waves carries energy from one point to another

 a) YES

 b) NO  

   Ultra Sonic waves can be generated in

 a) Atom Bombarding

b)  Atom Fussion

c) Piezueo electric effect   


  The point where the density of the vibrating air molecules is maximum and its rarefaction is minimum

a)  Amplitude

 b) Rarefaction

 c) Compression 

 In the Phenomenon of resonance, the natural frequency of two bodies should be

 a) Low

 b) Equal

 c) High   

 Distance between any two successive compression or rarefaction are called

 a) Wave length

 b) Wave aptitude

 c) Time period  

 Propagation of sound waves is proposed by

 a) Joule

 b) Robert Boyle

 c) Newton   

 Smallest unit to measure wavelength is

a)  Angstrom

b)  nm

c)  mm   

 Inaudible wave beyond 20Hz are

a)  Infrasonic and Ultrasonic

b)  Infrasonic

c) Ultrasonic  



  Speed of sound in free space is

 a) 343 meters per second

 b) 0

 c) 300 meters per second   

  To get echo, minimum condition is

a)  Both

b) Separation distance 16.5 mts

c) Time Interval between two sounds atleast 1/10th second   

 Scientific name of moon and study of moon is

 a) Moon, Moonology

 b)  Selene, Selenology

 c) Planetary, Astrology   

  The waves which doesn’t require any material medium for propagation called

a)  Sound waves

 b) X rays

c)  Electromagnetic waves  

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Physics Objective Questions For Competitive Exams

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Physics Objective Questions For Competitive Exams

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MOST COMMON QUESTIONS – PHYSICS PART 2 

Physics Objective Questions For Competitive Exams


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