MET SERIES Physics
Thermal Physics
10 previous year questions.
Volume: 10 Ques
Yield: Medium
High-Yield Trend
1
2022 1
2021 3
2017 1
2016 1
2013 1
2011 1
2009 1
2008 Chapter Questions 10 MCQs
01
PYQ 2008
medium
physics ID: met-2008
Two stars emit maximum radiation at wavelength 3600 and 4800 respectively. The ratio of their temperatures is:
1
4:3
2
3:4
3
16:9
4
9:16
02
PYQ 2009
medium
physics ID: met-2009
An organic compound on heating with CuO produces but no water. The organic compound may be
1
carbon tetrachloride
2
chloroform
3
methane
4
ethyl iodide
03
PYQ 2011
medium
physics ID: met-2011
The molar heat capacity of rock salt at low temperature varies with temperature according to Debye's law. Thus where and . Calculate how much heat is required to raise the temperature of 2 moles of rock salt from 10 K to 50 K:
1
800 J
2
373 J
3
273 J
4
None of these
04
PYQ 2013
medium
physics ID: met-2013
If the energy of a hydrogen atom in orbit is then energy in the orbit of a singly ionized helium atom will be
1
2
3
4
05
PYQ 2016
medium
physics ID: met-2016
The half-life of At is 100 s. The time taken for the radioactivity of a sample of this nucleus to decay to th of its initial value is
1
6.3 s
2
40 s
3
300 s
4
400 s
06
PYQ 2017
medium
physics ID: met-2017
A 2 kg copper block is heated to 500 C and is then placed on a large block of ice at 0 C. If the specific heat capacity of copper is 400 J kg C and latent heat of fusion of water is J kg , the amount of ice that can melt is
1
kg
2
kg
3
kg
4
kg
07
PYQ 2017
easy
physics ID: met-2017
The temperatures of two bodies and are respectively 727 C and 327 C. The ratio of the rates of heat radiated by them is
08
PYQ 2017
medium
physics ID: met-2017
The surface area of a black body is m and its temperature is 727 C. The energy radiated by it per minute is ( J/m -s-K )
1
J
2
J
3
J
4
J
09
PYQ 2021
medium
physics ID: met-2021
A thin copper wire of length L increases in length by 1%, when heated from to . What is the percentage change in area when a thin copper plate having dimensions is heated from to ?
1
2%
2
20%
3
10%
4
40%
10
PYQ 2022
medium
physics ID: met-2022
At which temperature, magnitude of and are equal?
1
273
2
40
3
-40
4
-273
About Thermal Physics - MET
Thermal Physics is a vital chapter for MET aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Thermal Physics PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Thermal Physics carry the most weight. Then, tackle the questions iteratively to solidify your understanding.