XI_Physics_Thermodynamics_1 Online Test

The negative temperatures are possible only for
Isolable sub-systems
Normal purposes
Open system
None of the above
In a quasi-static process, the system is always Thermodynamic equilibrium.
Infinitesimally close to
Far from
Moderately close to
None of the above
For a perfect thermal insulator, thermal conductivity will be
Infinity
Zero
Unity
Negative
Infrared emission from a body can be studied using a camera equipped with infrared sensitive film. The resulting picture is called a
Thermograph
Infra red camera
CCD (charge coupled device)
VCR
The maximum possible efficiency of an engine having two heat reservoirs can be calculated by
Carnot cycle
First law of thermodynamics
Zeroth law of thermodynamics
Planck’s law
Suppose 1 Kg of water at 100OC is placed in thermal contact with 1 kg of water at 0oC. What is the entropy change (approx.)?
0 Cal K-1
0.98 Cal K-1
2 Cal K-1
10 Cal K-1
The range of mercury thermometers is
-39oC to 600oC
-39oC to 108oC
-39oC to 357oC
-39oC to 110oC
The Gold point at normal pressure is (approx.)
1063oC
660oC
444oC
100oC
In negative temperatures, the hottest and the coldest temperatures are respectively
-0, +0
+0, -0
+1, -1
-1, +1
At what temperature do the Kelvin and the Fahrenheit scales coincide?
574.25
560
40
None of the above
Description:

This test is based on AIEEE, IIT JEE for those students who studying in class XI

Discussion

Dumbguy

I didn't understand the third question, please explain

2447 days 10 hours 26 minutes ago

kewal

poor range

4238 days 9 hours 40 minutes ago

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