1
AIPMT 2006
+4
-1
Two vibrating tuning forks produce waves given by y1 = 4 sin 500$$\pi$$t and y2 = 2 sin506 $$\pi$$t. Number of beats produced per minute is
A
360
B
180
C
60
D
3
2
AIPMT 2006
+4
-1
Two sound waves with wavelengths 5.0 m and 5.5. m respectively, each propagate in a gas with velocity 330 m/s. We expect the following number of beats per second.
A
6
B
12
C
0
D
1
3
AIPMT 2006
+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
4
AIPMT 2006
+4
-1
A transverse wave propagating along x-axis is represented by y(x, t) = 8.0 sin (0.5 $$\pi$$x $$-$$ 4$$\pi$$t $$-$$ $$\pi$$/4) where x is in metres and t is in seconds. The speed of the wave is
A
8 m/s
B
4$$\pi$$ m/s
C
0.5$$\pi$$ m/s
D
$$\pi$$/4 m/s.
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