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.Management Sciences
Category: Everyday Science Mcqs
Sound travels in air at an average speed of nearly________ ?
0
A. 1257 miles per hour
B. 755 miles per hour
C. 330 miles per hour
D. None of these
Escape velocity of a rocket fired from the earth towards the moon is a velocity to get rid of the _______?
A. Centripetal force due to the earth’s rotation
B. Earth’s gravitational pull
C. Pressure of the atmosphere
D. Moon’s gravitational pull
An area of microbiology that is concerned with the occurence of disease in human population is?
A. Immunology
B. Paracitology
C. Epidemiology
D. none
The good sources of Vitamin-A are?
A. green leafy vegetables
B. seeds
C. fresh vegetables and fruits
D. sea foods
Which law states that the rate of the effusion of a gas is inversely proportional to the square root of its density?
A. Graham’s Law
B. Gay-Lussac’s law
C. Boyle’s law
D. None of these
Covalent network crystals have_____________?
A. higher melting point then molecular crystals
B. lower melting point then molecular crystals
C. discrete molecules linked by Van der waals forces
D. hydrogen bonding
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