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.Management Sciences
Category: Physics Mcqs
Electrons present in p-type material due to thermal pair generation are_____________?
0
A. majority carriers
B. minority carriers
C. dual carriers
D. blockers
The function of collimeter in spectrometer is________________?
A. to produce parallel beams of light
B. to filter the light rays
C. to make them
D. no function
Metabolism is the name of a process in which energy transformation takes place within______________?
A. Heat engine
B. Human body
C. Atmosphere
D. Laboratory
In Davisson-Germer experiment the diffracted proton from crystal shows______________?
A. Particle property
B. Wave property
C. Light property
D. Quantum property
Radioactivity is a ______ (A) Spontaneous activity (B) Chemical property_____________?
A. A & B
B. B & C
C. C & A
D. A B & C
In forward bias the width of potential barrier_____________?
A. Increases
B. Decreases
C. Remains same
D. No effect
Bernoulli’s equation is applicable for_________________?
A. Laminar flow
B. Turbulent flow
C. Both laminar and turbulent flow
D. None of these
Ground state energy of the 4th orbit in a H-atom is_____________?
A. 13.60 eV
B. 3.40 eV
C. 0.85 eV
D. 1.51 eV
How many days would be in a year if the distance between the earth and the sun were reduced to half of its present value (assuming circular orbit) ?
A. 365 days
B. 730 days
C. 329 days
D. 129 days
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