IIT JEE : Heat And Thermodynamics QUESTIONS AND ANSWERS :: part2 : 6 to 10
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
6.When water is heated from 0 degree Centigrade to 10 degree centigrade its volume: |
| increases |
| decreases |
| remains unchanged |
| first decreases then increases |
7.If r, a and t represent the reflection coefficient, absorption coefficient and transmission coefficient respectively, then for a perfectly black body |
| r = 0, a = 1, t = 0 |
| r = 1, a = 0 and t = 0 |
| r = 0, a = 0, t = 0 |
| r = 0, a = 0 and t = 0 |
8.During adiabatic change, specific heat is: |
| zero |
| greater than zero |
| less than zero |
| infinity |
9.Unsaturated vapour obeys: |
| Ideal gas law |
| Van der Walls law |
| Boyles law |
| Gay-Lussacs law |
10.What work will be done, when 3 moles of an ideal gas are compressed to half the initial volume at a constant temperature of 300 K? |
| -5188 J |
| 5000 J |
| 5188 J |
| -5000 J |
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