1
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
A cylinder contains hydrogen gas at pressure 249 kPa and temperature 27$$^\circ $$C
Its density is : (R = 8.3 J mol-1 K-1)
A
0.2 kg/m3
B
0.1 kg/m3
C
0.02 kg/m3
D
0.5 kg/m3
2
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
The quantities of heat required to raise the temperature of two solid copper spheres of radii r1 and r2 (r1 = 1.5r2) through 1 K are in the ratio :
A
$${9 \over 4}$$
B
$${3 \over 2}$$
C
$${5 \over 3}$$
D
$${27 \over 8}$$
3
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Two cylinders A and B of equal capacity are connected to each other via a stop cock. A contains an ideal gas at standard temperature and pressure. B is completely evacuated. The entire systems is thermally insulated. The stop cock is suddenly opened. The Process is :
A
adiabatic
B
isochoric
C
isobaric
D
isothermal
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
In which of the following processes, heat is neither absorbed nor released by a system?
A
adiabatic
B
isobaric
C
isochoric
D
isothermal
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