1
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
A scientist says that the efficiency of his heat engine which work at source temperature 127oC and sink temperature 27oC is 26%, then
A
it is impossible
B
it is possible but less probable
C
it is quite probable
D
data are incomplete.
2
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
The total energy of particle performing SHM depend on
A
k, a, m
B
k, a
C
k, a, x
D
k, x
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Two waves having equation x1 = $$a$$sin($$\omega $$t $$-$$ kx + $$\phi $$1), x2 = asin($$\omega $$t $$-$$kx + $$\phi $$2). If in the resultant wave the frequency and amplitude remain equal to amplitude of superimposing waves, the phase difference between them is
A
$${\pi \over 6}$$
B
$${{2\pi } \over 3}$$
C
$${\pi \over 4}$$
D
$${\pi \over 3}$$
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
The equation of a wave is represented by

y $$=$$ 10$$-$$4 sin(100t $$-$$ $${x \over {10}}$$) m. then the velocity of wave will be
A
100 m/s
B
4 m/s
C
1000 m/s
D
10 m/s
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