The movement of fluid up or down a narrow tube is
osmosis
brownian motion
capillarity
diffusion
Correct answer is C
No explanation has been provided for this answer.
W > U + V
W = U + V
W = U - V
W < U + V
Correct answer is B
When terminal velocity is attained, The equation of motion becomes
mg - V - U = 0
\(\therefore\) mg = W = U + V
510cm3
340cm3
254cm3
170cm3
Correct answer is B
V = \(\frac{M}{D}\)
= \(\frac{3.06}{10} \times \frac{1000}{0.9} = 340\)
Which of the following devices is used to determine the relative density of an acid?
manometer
hydrometer
hypsometer
hygrometer
Correct answer is B
No explanation has been provided for this answer.
frequency of collision of trapped air molecules with walls of the syringe is more
molecules of trapped air expands more
speed of the trapped air molecules decreases
number of molecules of trapped air increases
Correct answer is B
No explanation has been provided for this answer.
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