1
AIPMT 2011 Mains
+4
-1
Two identical piano wires, kept under the same tension T have a fundamental frequency of 600 Hz. The fractional increase in the tension of one of the wires which will lead to occurrence of 6 beats/s when both the wires oscillate together would be
A
0.01
B
0.02
C
0.03
D
0.04
2
AIPMT 2011 Prelims
+4
-1
Two waves are represented by the equations
y1 = $$a$$sin($$\omega$$t + kx + 0.57) m and
y2 = acos($$\omega$$t + kx) m, where x is in meter and t $$in$$ sec. The phase difference between them is
A
B
C
D
3
AIPMT 2011 Prelims
+4
-1
Sound waves travel at 350 m/s through a warm air and at 3500 m/s through brass. The wavelength of a 700 Hz acoustic wave as it enters brass from warm air
A
decrease by a factor 10
B
increase by a factor 20
C
increase by a factor 10
D
decrease by a factor 20
4
AIPMT 2010 Prelims
+4
-1
A transverse wave is represented by
y = Asin($$\omega$$t $$-$$ kx). For what value of the wavelength is the wave velocity equal to the maximum particle velocity ?
A
$$\pi A/2$$
B
$$\pi A$$
C
2$$\pi A$$
D
$$A$$
EXAM MAP
Medical
NEET