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Category: Physics Mcqs
UV radiation can be produced by______________?
A. Heating the filament
B. Electron excitation in the gas
C. Ionization of atoms
D. All the above
In a plane polarized light _________________?
A. vibration in all direction
B. vibration in two mutually perpendicular directions
C. vibration take place in a direction perpendicular to the direction of propagation of light
D. no vibration at all
Sphygmomanometers measures blood pressure ?
A. Statically
B. Dynamically
C. Some time static and sometimes dynamic
D. None of these
A body can have constant velocity when it follows a_____________?
A. Elliptical path
B. Circular path
C. Parabolic path
D. Rectilinear path
During fusion of hydrogen into helium________________?
A. Energy is absorbed
B. Energy is released
C. Mass is increased due to energy absorption
D. Mass is reduced due to the energy released
X-ray are________________?
A. of unknown nature
B. high energy electrons
C. high energy photons
D. radio isotopes
Electrical resonance is observed in_______________?
A. Radio
B. Microwave oven
C. Both in radio and microwave oven
D. Neither in radio nor in a microwave oven
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