1
JEE Main 2016 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
A Carnot freezer takes heat from water at 0oC inside it and rejects it to the room at a temperature of 27oC. The latent heat of ice is 336×103 J kg−1. If 5 kg of water at 0oC is converted into ice at 0oC by the freezer, then the energy consumed by the freezer is close to :
A
1.67 $$ \times $$ 105 J
B
1.68 $$ \times $$ 106 J
C
1.51 $$ \times $$ 105 J
D
1.71 $$ \times $$ 107 J
2
JEE Main 2016 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following shows the correct relationship between the pressure ‘P’ and density $$\rho $$ of an ideal gas at constant temperature ?
A
JEE Main 2016 (Online) 10th April Morning Slot Physics - Heat and Thermodynamics Question 295 English Option 1
B
JEE Main 2016 (Online) 10th April Morning Slot Physics - Heat and Thermodynamics Question 295 English Option 2
C
JEE Main 2016 (Online) 10th April Morning Slot Physics - Heat and Thermodynamics Question 295 English Option 3
D
JEE Main 2016 (Online) 10th April Morning Slot Physics - Heat and Thermodynamics Question 295 English Option 4
3
JEE Main 2016 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The ratio of work done by an ideal monoatomic gas to the heat supplied to it in an isobaric process is :
A
$${3 \over 5}$$
B
$${2 \over 3}$$
C
$${3 \over 2}$$
D
$${2 \over 5}$$
4
JEE Main 2016 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
200 g water is heated from 40oC to 60oC. Ignoring the slight expansion of water, the change in its internal energy is close to (Given specific heat of water = 4184 J/kg/K) :
A
8.4 kJ
B
4.2 kJ
C
16.7 kJ
D
167.4 kJ
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