Thermal Properties of Matter Test

Result

Thermal Properties of Matter Test - 46

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Weekly Quiz Competition

Question 1
4 / -1

A constant pressure air thermometer gave a reading of 47.5 units of volume when immersed in ice cold water, and 67 units in a boiling liquids. The boiling point of the liquid will be

A
135^oC

B
125^oC

C
140^oC

D
60^oC

Solution
Question 2
4 / -1

If the temperature of an object is 140^oF, then its temperature in centigrade is

A
105^oC

B
32^oC

C
140^oC

D
60^oC

Solution
Question 3
4 / -1

Of the following thermometers, the one which can be used for measuring a rapidly changing temperature is a

A
Thermocouple thermometer

B
Gas thermometer

C
Maximum resistance thermometer

D
Vapour pressure thermometer
Question 4
4 / -1

On centigrade scale, the temperature of a body increases by 30^oC. The increase in temperature on Fahrenheit scale is

A
50^oC

B
40^oC

C
30^oC

D
54^oC

Solution
Question 5
4 / -1

When the room temperature becomes equal to the dew point, the relative humidity of the room is

A
100%

B
0%

C
70%

D
85%
Question 6
4 / -1

When a copper ball is heated, the largest percentage increase will occur in its

A
Diameter

B
Area

C
Volume

D
Density

Solution
Question 7
4 / -1

A vertical column 50 cm long at 50^oC balances another column of same liquid 60 cm long at 100^oC. The coefficient of absolute expansion of the liquid is

A
0.005/^oC

B
0.0005/^oC

C
0.002/^oC

D
0.0002/^oC

Solution
Question 8
4 / -1

The apparent coefficient of expansion of a liquid when heated in a copper vessel is C and when heated in a silver vessel is S. If A is the linear coefficient of expansion of copper, then the linear coefficient of expansion of silver is

A

B

C

D

Solution
Question 9
4 / -1

A uniform metal rod is used as a bar pendulum. If the room temperature rises by 10^oC, and the coefficient of linear expansion of the metal of the rod is 2 × 10^–6 per ^oC, the period of the pendulum will have percentage increase of

A
– 2 × 10^–3

B
–1 × 10^–3

C
2 × 10^–3

D
1 × 10^–3

Solution
Question 10
4 / -1

A bar of iron is 10 cm at 20^oC. At 10^oC, it will be (α of iron = 11 × 10^–6/^oC)

A
11 × 10^–6 cm longer

B
11 × 10^–6 cm shorter

C
11 × 10^–5 cm shorter

D
11 × 10^–5 cm longer

Solution