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.Management Sciences
Category: Physics Mcqs
The alternating voltage is an example of_______________?
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A. A digital waveform
B. An analogue waveform
C. Discrete waveform
D. None at all
When we excite some atoms by heat collision or electrical discharge they will________________?
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
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
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