Physics XII - ATP Practice

Which of the following properties of matter is used in the construction of a thermometer?

• A. Expansion of mercury on heating
• B. Change of color with temperature
• C. Expansion of matter on heating
• D. All of the above

Mercury is used in mercury-glass thermometer as a thermometric substance because

• A. It does not wet the capillary tube wall
• B. It is opaque
• C. Its expansion is uniform over a wide range of temperature
• D. All of the above

Two fixed points used for the temperature scales are

• A. The temperatures of freezing and boiling mercury
• B. The temperatures of freezing and boiling water
• C. The temperature of water at 0°C and 100°C
• D. None of these

In liquid-in-glass thermometer the thermometric property used is

• A. Thermal expansion
• B. Colour change on heating
• C. Both A and B
• D. None of these

Which of the following is correct?

• A. 1°F = 1°C
• B. 1°F > 1°C
• C. 1°F < 1°C
• D. None of these

Which of the following is correct? (w.r.t) size of division?

• A. 1°C > 1K
• B. 1°C = 1K
• C. 1°C < 1K
• D. None of these

The Centigrade and Fahrenheit scales have the same reading at

• A. 40°
• B. 140°
• C. -140°
• D. -40°

One degree of centigrade scale is equal to (w.r.t) size to division:

• A. 1° of Fahrenheit
• B. 1.8° of Fahrenheit
• C. 32° of Fahrenheit
• D. 3° of Fahrenheit

The temperature of absolute zero corresponds to

• A. -273°C
• B. 273°C
• C. 0°C
• D. 20°C

What temperature of Fahrenheit scale corresponds to absolute zero?

• A. 32°F
• B. 212°F
• C. -32°F
• D. -460°F