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.Management Sciences
Category: Physics Mcqs
In damped harmonic oscillation which one decreases ?
0
A. Amplitude of vibration
B. Energy of vibration
C. Both amplitude and energy
D. Neither amplitude nor energy
Sterilization of surgical instruments medical supplies and bandages can be done by exposing them to a beam of_______________?
A. α-rays
B. β-rays
C. γ-rays
D. B and C have equal antiseptic propertie
The unit of radioactivity curie is equal to_________________?
A. 3.74 x 109 disintegration per sec
B. 3.70 x 1010 disintegration per sec
C. 3.55 x 1010 disintegration per sec
D. 3.60 x 1010 disintegration per sec
An alpha particle can produce fluorescence in__________________?
A. ZnS
B. Barium platinocyanide
C. Calcium tungstate
D. All of above
A photon of wavelength 900nm behaves like a particle of mass______________?
A. 5.53 x 10-36kg
B. 0 kg.
C. 2.46 x 10-36kg
D. 1.84 x 10-44kg
Fundamental frequency of stationary waves in open pipe is ______________ times the frequency in closed pipe?
A. One
B. Two
C. Four time
D. None of these
The electrons in conduction band are free to___________________?
A. Transport vibrations
B. Transport signals
C. Transport charge
D. Transport impulses
The equation of continuity is obtained by applying in the law of conservation of_____________?
A. Mass
B. Energy
C. Momentum
D. All
A device for producing high-velocity nuclei is ________________?
A. Cloud chamber
B. Linear accelerator
C. A mass spectrograph
D. Wilson cloud chamber
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