Thermal Properties of Matter Test

Question 1
1 / -0

Assertion: In Joules bulb apparatus, as reservoir is moved up, the mercury level raises into the bulb.
Reason: The pressure on the enclosed gas increases.

A
Both assertion (A) and reason (R) are correct and R gives the correct explanation

B
Both assertion (A) and reason (R) are correct but R doesnt give the correct explanation

C
A is true but R is false

D
A is false but R is true

Question 2
1 / -0

PV = n RT holds good for :
a) Isobaric process b) Isochoric process
c) Isothermal process d) Adiabatic process

A
a & b

B
a,b & c

C
a,b & d

D
all

Question 3
1 / -0

Which of the following processes will quadruple the pressure
a) Reduce V to half and double T
b) Reduce V to 1/8th and reduce T to half
c) Double V and half T
d) Increase both V and T to double the values

A
b,c

B
a,b

C
c,d

D
a,d.

Question 4
1 / -0

Assertion:PV/T=constant for 1 mole of gas. This constant is same for all gases.
Reason:1 mole of different gases at NTP occupy same volume of 22.4 litres.

A
Both assertion (A) and reason (R) are correct and R gives the correct explanation

B
Both assertion (A) and reason (R) are correct but R doesnt give the correct explanation

C
A is true but R is false

D
A is false but R is true

Question 5
1 / -0

Figure shows a cylindrical tube of cross-sectional area A filled with two frictionless pistons. The pistons are connected through wire. The tension in the wire if the temperature rises from T$$_{0}$$ to 2T$$_{0}$$ is (Initial pressure is P$$_{0}$$, atmospheric pressure)

A
$$P_{0}A$$

B
$$\frac{P_{0}A}{2}$$

C
$$2P_{0}A$$

D
$$\frac{2P_{0}A}{3}$$

Question 6
1 / -0

Assertion: PV/T=constant for 1 gram of gas. This constant varies from gas to gas.
Reason:1 gram of different gases at NTP occupy different volumes.

A
Both assertion (A) and reason (R) are correct and R gives the correct explanation

B
Both assertion (A) and reason (R) are correct but R doesnt give the correct explanation

C
A is true but R is false

D
A is false but R is true

Question 7
1 / -0

Match List I with List II
List-I                                               List-II
a) 0.00366/$$^{0}$$ C                   e) Avagadros Number
b) 6.023x10$$^{23}$$ molecules   f) Universal gas constant
c) -273$$^{0}$$ C g) Pressure coefficient of gas
d) 8.31 J/K-mole h) Intercept of V-T graph at
                                                  constnat pressure

A
a-g, b-e, c-h, d-f.

B
a-f, b-g c-e,d-h.

C
a-g,b-e,c-f, d-h.

D
a-g,b-f, c-e, d-h.

Question 8
1 / -0

The physical factor which distinguishes thermal radiation from visible light is :

A
wave length

B
pressure

C
temperature

D
amplitude

Question 9
1 / -0

The process in which rate of transfer of heat is maximum is :

A
conduction

B
convection

C
radiation

D
in all these, heat is transferred with the same speed

Question 10
1 / -0

A wall has two layers $$A$$ and $$B$$, each of same thickness and same area of cross-section but made of different materials. The thermal conductivity of $$A$$ is three times that of $$B$$. The temperature difference across the wall is $$20$$$$^{o}$$C . In thermal equilibrium :

a) the temperature difference across the layer $$A$$ is 15$$^{o}$$C
b) the temperature difference across the layer $$B$$ is 15$$^{o}$$C
c) the rate of flow of heat across $$A$$ is more than across $$B$$
d) the rate of flow of heat across $$A$$ and $$B$$ are same

A
a, b correct

B
b, c correct

C
c, d correct

D
b, d correct

Submit Test

Thermal Propert...

Question 1

Both assertion (A) and reason (R) are correct and R gives the correct explanation

Both assertion (A) and reason (R) are correct but R doesnt give the correct explanation

A is true but R is false

A is false but R is true

Question 2

a & b

a,b & c

a,b & d

all

Question 3

b,c

a,b

c,d

a,d.

Question 4

Both assertion (A) and reason (R) are correct and R gives the correct explanation

Both assertion (A) and reason (R) are correct but R doesnt give the correct explanation

A is true but R is false

A is false but R is true

Question 5

$$P_{0}A$$

$$\frac{P_{0}A}{2}$$

$$2P_{0}A$$

$$\frac{2P_{0}A}{3}$$

Question 6

Both assertion (A) and reason (R) are correct and R gives the correct explanation

Both assertion (A) and reason (R) are correct but R doesnt give the correct explanation

A is true but R is false

A is false but R is true

Question 7

a-g, b-e, c-h, d-f.

a-f, b-g c-e,d-h.

a-g,b-e,c-f, d-h.

a-g,b-f, c-e, d-h.

Question 8

wave length

pressure

temperature

amplitude

Question 9

conduction

convection

radiation

in all these, heat is transferred with the same speed

Question 10

a, b correct

b, c correct

c, d correct

b, d correct

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