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Physics MCQs / Q&A
The source of tidal energy is____________________?
The source of tidal energy is____________________?
A. sun
B. earth
C. both A and B
D. moon (Correct)
Transuranic elements have an atomic number_______________?
Transuranic elements have an atomic number_______________?
A. Greater than 72
B. Greater than 82
C. Greater than 92 (Correct)
D. Greater than 102
The SI unit of force constant is identical with that of__________________?
The SI unit of force constant is identical with that of__________________?
A. Force
B. Pressure
C. Surface tension (Correct)
D. Loudness
How many main frontiers of fundamental science ?
How many main frontiers of fundamental science ?
A. 1
B. 2
C. 3 (Correct)
D. 4
Unit of power of a lens is________________?
Unit of power of a lens is________________?
A. meter
B. watt
C. diopter (Correct)
D. horsepower
Errors in the transmission of power through optic fiber can be minimized by using a______________?
Errors in the transmission of power through optic fiber can be minimized by using a______________?
A. Multimode index fiber
B. Graded index fiber (Correct)
C. Single mode step index fiber
D. Copper wire
When two protons are brought together_____________________?
When two protons are brought together_____________________?
A. Kinetic energy increases
B. P.E. between them increases (Correct)
C. P.E. between them decreases
D. P.E. between tem does not change
In the capacitive circuit the current___________________?
In the capacitive circuit the current___________________?
A. Lags behind voltage by π/2
B. Is in phase with voltage
C. Opposite in phase of voltage by π
D. Leads forward the voltage by π/2 (Correct)
In Young double slit experiment, if white light is used____________________?
In Young double slit experiment, if white light is used____________________?
A. alternate dark and bright fringes will be seen
B. coloured fringes will be seen (Correct)
C. no interference fringes will be seen
D. impossible to…
Blood vessels are______________?
Blood vessels are______________?
A. Rigid
B. Not rigid (Correct)
C. Of glass
D. Of rubber