WBJEE SERIES Physics
Thermal Properties Of Matter
11 previous year questions.
Volume: 11 Ques
Yield: Medium
High-Yield Trend
2
2026 1
2024 1
2023 1
2019 1
2017 1
2014 1
2012 1
2010 2
2009 Chapter Questions 11 MCQs
01
PYQ 2009
medium
physics ID: wbjee-20
It is difficult to cook rice in an open vessel by boiling it at high altitudes because of
1
low boiling point and high pressure
2
high boiling point and low pressure
3
low boiling point and low pressure
4
high boiling point and high pressure
02
PYQ 2009
medium
physics ID: wbjee-20
of water at and of ice at are mixed together in a calorimeter. What is the final temperature of the mixture? Given specific heat of ice = and latent heat of fusion of ice =
1
0? C
2
- 5? C
3
5? C
4
10? C
03
PYQ 2010
medium
physics ID: wbjee-20
Experimental investigations show that the intensity of solar radiation is maximum for a wavelength in the visible region. Estimate the surface temperature of sun. (Given Wien's constant
1
4000 K
2
6000 K
3
8000 K
4
04
PYQ 2012
medium
physics ID: wbjee-20
In a mercury thermometer, the ice point (lower fixed point) is marked as and the steam point (upper fixed point) is marked as . At temperature, what will this thermometer read?
1
2
3
4
05
PYQ 2014
medium
physics ID: wbjee-20
A electric heater is used to heat container filled with of water. It is found that the temperature of water and the container rises by in The container is then emptied, dried and filled with of oil. The same heater now raises the temperature of container-oil system by in . Assuming that there is no heat loss in the process and the specific heat of water is , the specific heat of oil in the same unit is equal to
1
2
3
4
06
PYQ 2017
hard
physics ID: wbjee-20
A solid rectangular sheet has two different coefficients of linear expansion and along its length and breadth respectively. The coefficient of surface expansion is (for )
1
2
3
4
07
PYQ 2019
medium
physics ID: wbjee-20
Two black bodies A and B have equal surface areas and are maintained at temperatures 27?C and 177?C respectively. What will be the ratio of the thermal energy radiated per second by A to that by B?
1
4:09
2
2:03
3
0.722916667
4
1.247916667
08
PYQ 2023
medium
physics ID: wbjee-20
Two substances A and B of the same mass are heated at a constant rate. The variation of temperature ΞΈ of the substances with time t is shown in the figure. Choose the correct statement
1
Specify heat of A is greater than that of B
2
Specify heat of B is greater than that of A
3
Both have some specific heat
4
None of the above is true
09
PYQ 2024
medium
physics ID: wbjee-20
A metal plate of area 10-2m2 rests on a layer of castor oil, 2 Γ 10-3m thick, whose viscosity coefficient is 1.55 Ns/m2. The approximate horizontal force required to move the plate with a uniform speed of 3 Γ 10-2ms-1 is:
1
0.6718 N
2
0.2325 N
3
0.2022 N
4
0.6615 N
10
PYQ 2026
medium
physics ID: wbjee-20
Temperature of a body is slightly more than the temperature of the surroundings . Its rate of cooling versus temperature graph should be 
1
Option a
2
Option b
3
Option c
4
Option d
11
PYQ 2026
medium
physics ID: wbjee-20
The apparent coefficient of expansion of a liquid when heated in a copper vessel is and in a silver vessel is . If is the linear coefficient of expansion of copper, then the linear coefficient of expansion of silver is
1
2
3
4