- This Mock test contains 25 MCQ questions.
- Choice and sequence for attempting questions will be as per the convenience of the candidate.
- Read each question carefully.
- Determine the one correct answer out of the four available options given for each question.
- Each question awards you 1 point.
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Your Score For Thermal Properties of Matter (Physics) Test is
Question 1 of 25
1. Question1 point(s)
Range of temperature in a clinical thermometer, which measures the temperature of human body, isCorrectIncorrect
Question 2 of 25
2. Question1 point(s)
If two temperatures differ by 25 °C on Celsius scale, the difference in temperature on Fahrenheit scale isCorrectIncorrect
Question 3 of 25
3. Question1 point(s)
If α, β and γ are coefficients of linear, area l and volume expansion of a solid thenCorrectIncorrect
Question 4 of 25
4. Question1 point(s)
Consider the following statements-
(I) The coefficient of linear expansion has dimension K^-1
(II) The coefficient of volume expansion has dimension K^-1CorrectIncorrect
Question 5 of 25
5. Question1 point(s)
Water falls from a height of 200 m. What is the difference in temperature between the water at the top and bottom of a water fall given that specific heat of water is 4200 J kg-1 °C-1?CorrectIncorrect
Question 6 of 25
6. Question1 point(s)
There are three Rods A,B,C of equal length L at same temperature .There coefficient of linear expansion are αa, αb, αr respectively. if the temperature of all rod are increased by θ ° C and coefficient of linear expansion is like αb>αa >αc. then what will be the final order of length of rodCorrectIncorrect
Question 7 of 25
7. Question1 point(s)
The temperature difference between two sides of an iron plate, 2 cm thick, is 10 °C. Heat is transmitted through the plate at the rate of 600 kcal per minute per square metre at steady state. Find the thermal conductivity of iron.CorrectIncorrect
Question 8 of 25
8. Question1 point(s)
What is the rate of energy loss in watt per square metre through a glass window 5 mm thick if outside temperature
is -20 ºC and inside temperature is 25 ºC? (kglass = 1 W/m K)CorrectIncorrect
Question 9 of 25
9. Question1 point(s)
Absorptive power of perfectly black body isCorrectIncorrect
Question 10 of 25
10. Question1 point(s)
A black body at hot temperature at 227°C radiates heat at a rate of 5 cal/cm²s. at a temperature of 727°C the rate of heat radiated per unit area will beCorrectIncorrect
Question 11 of 25
11. Question1 point(s)
For which of the following process, the thermal conduction is maximum?CorrectIncorrect
Question 12 of 25
12. Question1 point(s)
Two stars A and B radiate maximum energy at 3600°A and 3600°A respectively. Then the ratio of absolute temperatures of A and B isCorrectIncorrect
Question 13 of 25
13. Question1 point(s)
A person with dark skin as compared to a person with white skin will experienceCorrectIncorrect
Question 14 of 25
14. Question1 point(s)
The best ideal black body isCorrectIncorrect
Question 15 of 25
15. Question1 point(s)
The process of heat transfer in which heat is transferred with actual migration of medium particles is known asCorrectIncorrect
Question 16 of 25
16. Question1 point(s)
Unit of Stefans constant is given byCorrectIncorrect
Question 17 of 25
17. Question1 point(s)
A metal piece heated to T1°K. The temperature of the surrounding is T2°K. the heat in the surrounding due to radiation is proportional toCorrectIncorrect
Question 18 of 25
18. Question1 point(s)
A surface at temperature T0°K receives power P by radiation from a small sphere at temperature T >> T0 and at a distance d. if both T and d are doubled, the power received by surface will becomes approximatelyCorrectIncorrect
Question 19 of 25
19. Question1 point(s)
Co-efficient of reflection, coefficient of absorption and coefficient transmission are related asCorrectIncorrect
Question 20 of 25
20. Question1 point(s)
The fastest mode of heat transfer isCorrectIncorrect
Question 21 of 25
21. Question1 point(s)
Increase in temperature of the body is proportional toCorrectIncorrect
Question 22 of 25
22. Question1 point(s)
The amount of heat required to raise the temperature of 1 kg mass of that substance through 1K is called itsCorrectIncorrect
Question 23 of 25
23. Question1 point(s)
_____of a substance is the quantity of heat required to change the state of unit mass of the substance without changing its temperature.CorrectIncorrect
Question 24 of 25
24. Question1 point(s)
_________is the process by which heat flows from the hot end to the cold end of a solid body without any net bodily movementCorrectIncorrect
Question 25 of 25
25. Question1 point(s)
In liquids and gases heat is transmitted by_____CorrectIncorrect