1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
A monatomic gas at a pressure P, having a volume V expands isothermally to a volume 2V and then adiabatically to a volume 16V. The final pressure of the gas is (Take $$\gamma $$ = 5/3)
A
64P
B
32P
C
P/64
D
16P
2
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
The oscillation of a body on a smooth horizontal surface is represented by the equation,
X = A cos$$\left( {\omega t} \right)$$
where X = displacement at time t
$$\omega $$ = frequency of oscillation
Which one of the following graphs shows correctly the variation a with t?
Here a = acceleration at time t
T = time period
A
AIPMT 2014 Physics - Oscillations Question 51 English Option 1
B
AIPMT 2014 Physics - Oscillations Question 51 English Option 2
C
AIPMT 2014 Physics - Oscillations Question 51 English Option 3
D
AIPMT 2014 Physics - Oscillations Question 51 English Option 4
3
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
The number of possible natural oscillations of air column in a pipe closed at one end length 85 cm whose frequencies lie below 1250 Hz are (Velocity of sound = 340 m s$$-$$1)
A
4
B
5
C
7
D
6
4
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
If n1, n2 and n3 are the fundamental frequencies of three segments into which a string is divided, then the original fundamental frequency n of the string is given by
A
$${1 \over n} = {1 \over {{n_1}}} + {1 \over {{n_2}}} + {1 \over {{n_3}}}$$
B
$${1 \over {\sqrt n }} = {1 \over {\sqrt {{n_1}} }} + {1 \over {\sqrt {{n_2}} }} + {1 \over {\sqrt {{n_3}} }}$$
C
$$\sqrt n = \sqrt {{n_1}} + \sqrt {{n_2}} + \sqrt {{n_3}} $$
D
n $$=$$ n1 + n2 + n3