1
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
To find out degree of freedom, the expansion is
A
$$f = {2 \over {\gamma - 1}}$$
B
$$f = {{\gamma + 1} \over 2}$$
C
$$f = {2 \over {\gamma + 1}}$$
D
$$f = {1 \over {\gamma + 1}}$$
2
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Two masses $$M$$A and $$M$$B are hung from two strings of length $$l$$A and $$l$$B respectively. They are executing SHM with frequency relation $$f$$A = 2$$f$$B, then relation
A
$${l_A} = {{{l_B}} \over 4}$$ does not depend on mass
B
$${l_A} = 4{l_B}$$, does not depend on mass
C
$${l_A} = 2{l_B}$$ and $${M_A} = 2{M_B}$$
D
$${l_A} = {{{l_B}} \over 2}$$ and $${M_A} = {{{M_B}} \over 2}$$.
3
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Two bulbs of (40 W, 200 V), and (100 W, 200 V). Then correct relation for their resistances
A
R40 < R100
B
R40 > R100
C
R40 = R100
D
no relation can be predicted.
4
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
The magnetic field at centre, P will be

AIPMT 2000 Physics - Moving Charges and Magnetism Question 27 English
A
$${{{\mu _0}} \over {4\pi }}$$
B
$${{{\mu _0}} \over {\pi }}$$
C
$${{{\mu _0}} \over {2\pi }}$$
D
$$4{\mu _0}\pi $$