1
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
A geostationary satellite is orbiting the earth at a height of 5R above the surface of the earth, R being the radius of the earth. The time period of another satellite in hours at a height of 2R from the surface of the earth is
A
5
B
10
C
6$$\sqrt 2 $$
D
$${6 \over {\sqrt 2 }}$$
2
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
A thermodynamic system is taken through the cycle ABCD as shown in figure. Heat rejected by the gas during the cycle is

AIPMT 2012 Prelims Physics - Heat and Thermodynamics Question 34 English
A
2PV
B
4PV
C
$${1 \over 2}$$ PV
D
PV
3
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
One mole of an ideal gas goes from an initial state A to final state B via two processes : It first undergoes isothermal expansion from volume V to 3V and then its volume is reduced from 3V to V at constant pressure. The correct P-V diagram representing the two process is
A
AIPMT 2012 Prelims Physics - Heat and Thermodynamics Question 58 English Option 1
B
AIPMT 2012 Prelims Physics - Heat and Thermodynamics Question 58 English Option 2
C
AIPMT 2012 Prelims Physics - Heat and Thermodynamics Question 58 English Option 3
D
AIPMT 2012 Prelims Physics - Heat and Thermodynamics Question 58 English Option 4
4
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
Two sources of sound placed close to each other, are emitting progressive waves given by
y1 = 4sin600$$\pi $$t and y2 = 5sin608$$\pi $$t
An observer located near these two sources of sound will hear
A
4 beats per second with intensity ratio 25 : 16 between waxing and waning.
B
8 beats per second with intensity ratio 25 : 16 between waxing and waning.
C
8 beats per second with intensity ratio 81 : 1 between waxing and warning.
D
4 beats per second with intensity ratio 81 : 1 between waxing and waning.