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Thermometry and Thermal Properties Practice Questions

JEE · Physics · 2151 free MCQs with instant results and detailed explanations.

2151
Total
459
Easy
993
Medium
699
Hard

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Topics in Thermometry and Thermal Properties

Temperature Scales 403
Thermal Expansion 287
Calorimetry 297
Change of State 285
Heat Transfer 266
Newton's Law of Cooling 286
Stefan's Law 327

Sample Questions from Thermometry and Thermal Properties

Here are 10 sample questions. Start a quiz to get randomized questions with scoring.

Q1
Easy
Which of the following temperature scales has absolute zero defined as 0 degrees?
A. Kelvin
B. Celsius
C. Fahrenheit
D. Rankine
Show Answer & Explanation
Correct Answer: A
The Kelvin scale is the only temperature scale that defines absolute zero (0 K) as the point where all molecular motion ceases.
Q2
Easy
What is the freezing point of water on the Celsius scale?
A. 0°C
B. 100°C
C. 32°F
D. 273 K
Show Answer & Explanation
Correct Answer: A
On the Celsius scale, the freezing point of water is defined as 0°C.
Q3
Easy
Convert 25°C to Kelvin.
A. 298 K
B. 273 K
C. 310 K
D. 250 K
Show Answer & Explanation
Correct Answer: A
To convert Celsius to Kelvin, add 273.15. Thus, 25 + 273.15 = 298.15 K.
Q4
Medium
What is the freezing point of water on the Kelvin scale?
A. 273.15 K
B. 0 K
C. 100 K
D. 32 K
Show Answer & Explanation
Correct Answer: A
The freezing point of water in Celsius is 0°C, which converts to 273.15 K.
Q5
Medium
Which temperature scale has equal increments in temperature but different zero points?
A. Celsius
B. Fahrenheit
C. Kelvin
D. Rankine
Show Answer & Explanation
Correct Answer: B
Fahrenheit and Celsius have different zero points but the same incremental value (1°F = 5/9°C).
Q6
Medium
At absolute zero, what is the temperature in Celsius?
A. -273.15 °C
B. 0 °C
C. 273.15 °C
D. -100 °C
Show Answer & Explanation
Correct Answer: A
Absolute zero is defined as 0 K, which is equivalent to -273.15 °C.
Q7
Medium
Which temperature scale does not have negative values?
A. Celsius
B. Fahrenheit
C. Kelvin
D. Rankine
Show Answer & Explanation
Correct Answer: C
Kelvin starts at absolute zero (0 K) and only has positive values.
Q8
Hard
A thermometer reads 50°C. Convert this reading into Kelvin. What is the temperature in Kelvin?
A. 323 K
B. 298 K
C. 373 K
D. 310 K
Show Answer & Explanation
Correct Answer: A
The conversion from Celsius to Kelvin is done using the formula K = °C + 273.15. So, 50 + 273.15 = 323.15 K, which rounds to 323 K.
Q9
Hard
What is the boiling point of water in Fahrenheit scale?
A. 212°F
B. 100°F
C. 32°F
D. 170°F
Show Answer & Explanation
Correct Answer: A
The boiling point of water at standard atmospheric pressure is defined as 212°F.
Q10
Hard
At what temperature do Fahrenheit and Celsius scales read the same?
A. -40°C
B. 0°C
C. 100°C
D. 32°C
Show Answer & Explanation
Correct Answer: A
The temperature at which both scales coincide can be found through the conversion equations. At -40°C, the reading equals -40°F.

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Thermometry and Thermal Properties — JEE Physics Practice Questions Online

This page contains 2151 practice MCQs for the chapter Thermometry and Thermal Properties in JEE Physics. The questions are organized by difficulty — 459 easy, 993 medium, 699 hard — so you can choose the right level for your preparation.

Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 7 topics, giving you comprehensive coverage of the entire chapter.