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.Management Sciences
Category: Physics Mcqs
When we excite some atoms by heat collision or electrical discharge they will________________?
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A. radiate electromagnetic energy with a continuous distribution of wavelength
B. absorb particular wavelengths when white light is incident on them
C. radiate electromagnetic energy of discrete characteristic wavelength
D. emit either invisible or visible light
A fuse is placed in series with the circuit to protect against__________________?
A. high power
B. high voltage
C. high current
D. over heating
The distance covered by a body in time t starting from rest is__________________?
A. at2/2
B. Vt
C. a2t/2
D. at2
Inertia of an object is quantitative measure of its__________________?
A. volume
B. density
C. mass
D. temperature
What is the angle that the given vector makes with y-axis and A=2i+3j ?
A. 30°
B. 60°
C. 90°
D. 120°
Average translational kinetic energy per molecule of an ideal gas is given by_____________?
A. 3NaT/2R
B. 2NaT/3
C. 3RT/2Na
D. 3Na/2RT
Which one of the following is not a donor impurity ?
A. antimony
B. phosphorus
C. aluminium
D. arsenic
A convex lens acts as a diverging lens if the_________________?
A. object is beyond C
B. if the object is with in C
C. if the object is within f
D. both B and C
Which of the following is not a correct representation method for prefixes______________?
A. 1mm
B. 10km
C. 1000um
D. Both A and B
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