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.Management Sciences
Category: Physics Mcqs
Semi-conductor germanium and silicon are_________________?
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A. pentavalent
B. trivalent
C. divalent
D. tetravalent
The collision between two bodies be elastic if bodies are_________________?
A. solid and soft
B. soft and elastic
C. solid and hard
D. hard and elastic
In scientific notation, numbers are expressed in________________?
A. Power of ten
B. Powers of two
C. Reciprocal
D. Decimal
The average acceleration caused by gravity per second is____________?
A. 22 feet
B. 32 feet
C. 52 feet
D. 42 feet
The energy liberated when one atom of U-235 undergoes fission reaction is________________?
A. 200MeV
B. 40MeV
C. 30MeV
D. 20MeV
The formula of inter-conversion of centigrade and Fahrenheit scale is___________?
A. c-32/9
B. f -32/9 =c/5
C. f-32/9=c/9
D. none
In liquids and gases the current is due to the motion________________?
A. negative charges
B. positive charges
C. both negative and positive charges
D. neutral particles
Final image produced by a compound microscope is_____________?
A. real and inverted
B. real and erect
C. virtual and erect
D. virtual and inverted
Sound waves do not travel in vacuum because ___________________?
A. they are transverse waves
B. they are stationary waves
C. they require material medium for propagation
D. they do not have enough energy
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