A:-particle velocity is reversed
B:-phase of pressure variation is reversed
C:-no change in phase
D:-particle velocity remains constant
Correct Answer:- Option-A
Question32:-Excess pressure inside a soap bubble of radius r and surface tension T is
:م
B:-P=4T/r
C:-P=2T/r
D:-P= 27T
Correct Answer:- Option-C
Question33:-The critical velocity of liquid is
A:directly proportional te velocity of a liquid
B:-inversely proportional to i....
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