1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
The time of reverberation of a room A is one second. What will be the time (in seconds of reverberation of a room, having all the dimensions double of those of room A ?
A
1
B
2
C
4
D
1/2
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements is true ?
A
both light and sound waves can travel in vaccum
B
both light and sound waves in air are transverse
C
The second waves in air are longitudinal while the light waves are transverse
D
both light and sound waves in air are
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
A point source emits sound equally in all directions in a non-absorbing medium. Two points P and Q are at distances of 2 m and 3 m respectively from the source. The ratio of the intensities of the waves at P and Q is
A
3 : 2
B
2 : 3
C
9 : 4
D
4 : 9
4
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
The phase difference between two waves. represented by
y1 = 10$$-$$6 sin[100t + (x/50) + 0.5] m
y2 = 10$$-$$6 cos[100t + (x/50)] m,
where x is expressed in metres and t is exressed in secondss, is approximately.
A
1.07 radians
B
2.07 radians
C
0.5 radians
D
1.5 radians
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