1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
In a vessel, the gas is at pressure P. If the mass of all the molecules is halved and their speed is doubled, then the resultant pressure will be
A
2P
B
P
C
P/2
D
4P
2
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
A particle of mass m oscillates along x-axis according to equation x = asin$$\omega $$t. The nature of the graph between momentum and displacement of the particle is
A
Circle
B
Hyperbola
C
Ellipse
D
Straight line passing through origin
3
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
The length of the wire between two ends of a sonometer is 100 cm. What should be the positions of two bridges below the wire so that the three segments of the wire have their fundamental frequencies in the ratio 1 : 3 : 5.
A
$${{1500} \over {23}}cm,{{500} \over {23}}cm$$
B
$${{1500} \over {23}}cm,$$ $${{300} \over {23}}cm$$
C
$${{300} \over {23}}cm,{{1500} \over {23}}cm$$
D
$${{1500} \over {23}}cm,{{2000} \over {23}}cm$$
4
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Two sources P and Q produce notes of frequency 660 Hz. each. A listener moves from P to Q with a speed of 1 ms$$-$$1. If the speed of sound is 330 m/s, then the number of beats heard by the listener per second will be
A
4
B
8
C
2
D
zero
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