If cp and cv denote the specific heats (per unit mass of an ideal gas of molecular weight M, then
A
cp $$-$$ cv = R/M2
B
cp $$-$$ cv = R
C
cp $$-$$ cv = R/M
D
cp $$-$$ cv = MR
2
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
A monatomic gas at pressure P1 and volume V1 is compressed adiabatically to $${{1 \over 8}^{th}}$$ of its original volume. What is the final pressure of the gas?
A
64P1
B
P1
C
16P1
D
32P1
3
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
The dependence of acceleration due to gravity g on the distance r from the centre of the earth, assumed to be a sphere of radius R of uniform density is as shown in figures below
The correct figure is
A
(4)
B
(1)
C
(2)
D
(3)
4
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
The additional kinetic energy to be provided to a satellite of mass m revolving around a planet of mass M, to transfer it from a circular orbit of radius R1 to another of radius R2(R2 > R1) is