A thing that emits its own light is___________________?
A thing that emits its own light is___________________?
A. luminous
B. non-luminous
C. incandescent
D. bright
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The trajectory (or path) of a projectile is_________________?
The trajectory (or path) of a projectile is_________________?A. straight line
B. parabola
C. hyperbola
D. circleReverse process of photoelectric effect is_______________?
Reverse process of photoelectric effect is_______________?A. pair production
B. Compton effect
C. annihilation of matter
D. X-rays productionDimensional analysis is helpful for__________________?
Dimensional analysis is helpful for__________________?A. Deriving a possible formula
B. Checking the homogeneity of a physical equation
C. Verification of laws
D. Only A and B are correctWhich one of following postulate is in accordance with the Rutherfords model ?
Which one of following postulate is in accordance with the Rutherfords model ?A. continuous spectra for atoms
B. discrete spectra for atoms
C. either continuous nor discrete
D. no spectrumThe minimum distance between an object and its real image in a convex lens is_____________?
The minimum distance between an object and its real image in a convex lens is_____________?A. 2 f
B. 2.5 f
C. 3f
D. 4fWhen the body moves with terminal velocity the acceleration in the body become_____________?
When the body moves with terminal velocity the acceleration in the body become_____________?A. 0
B. Maximum
C. Variable
D. Infinite