1
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
2
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
A car is moving towards a high cliff. The driver sounds a horn of frequency $$f$$. The reflected sound heard by the driver has frequency $$2f$$. If v is the velocity of sound, then the velocity of the car, in the same velocity units, will be
A
v/$$\sqrt 2 $$
B
v/3
C
v/4
D
v/2
3
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
4
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
An observer moves towards a stationary source of sound with a speed 1/5th of the speed of sound. The wavelength and frequency of the source emitted are $$\lambda $$ and $$f$$ respectively. The apparent frequency and wavelength recorded by the observer are respectively
A
1.2 $$f$$,   1.2 $$\lambda $$
B
1.2 $$f$$,  $$\lambda $$
C
$$f$$,  1.2 $$\lambda $$
D
0.8 $$f$$,   0.8 $$\lambda $$
NEET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12