1
NEET 2013 (Karnataka)
+4
-1
A fluid is in streamline flow across a horizontal pipe of variable area of cross section. For this which of the following statements is correct?
A
The velocity is maximum at the narrowest part of the pipe and pressure is maximum at the widest part of the pipe.
B
Velocity and pressure both are maximum at the narrowest part of the pipe.
C
velocity and pressure both are maximum at the widest part of the pipe.
D
The velocity is minimum at the narrowest part of the pipe and the pressure is minimum at the widest part of the pipe.
2
NEET 2013 (Karnataka)
+4
-1
The density of water at 20oC is 998 kg/m3 and at 40oC is 992 kg/m3. The coefficient of volume expansion of water is
A
3 $$\times$$ 10$$-$$4/oC
B
2 $$\times$$ 10$$-$$4/oC
C
6 $$\times$$ 10$$-$$4/oC
D
10 $$\times$$ 10$$-$$4/oC
3
NEET 2013
+4
-1
A piece of iron is heated in a flame. It first becomes dull red then becomes reddish yellow and finally turns to white hot. The correct explanation for the above observation is possible by using
A
Kirchhoff's Law
B
Newton's Law of cooling
C
Stefan's Law
D
Wien's displacement Law
4
NEET 2013
+4
-1
The molar specific heats of an ideal gas at constant pressure and volume are denoted by Cp and Cv, respectively. If  $$\gamma$$ = $${{{C_p}} \over {{C_v}}}$$ and R is the universal gas constant, then Cv is equal to
A
$${{\left( {\gamma - 1} \right)} \over R}$$
B
$$\gamma R$$
C
$${{1 + \gamma } \over {1 - \gamma }}$$
D
$${R \over {\left( {\gamma - 1} \right)}}$$
EXAM MAP
Medical
NEET