A
B
C
D
Text Solution
Verified by Experts
The correct Answer is:
Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
MBD PUBLICATION-THERMAL PROPERTIES OF MATTER (HEAT TRANSFER)-QUESTION BANK
- If the temperation of a gas is lowered to -273^@ C . Then it,s volume ...
Text Solution
|
- In a room containing air, heat can go from one place to another by
Text Solution
|
- Example of diathermanous body is
Text Solution
|
- What is the sum of co-efficient of absorption, reflection and transmis...
Text Solution
|
- The emissivity of black body is equal to
Text Solution
|
- Good conductor of heat and current is :
Text Solution
|
- The co-efficient of absorption and reflection of a thin uniform plate ...
Text Solution
|
- The co-efficient of reflection, coefficient of absorption and coeffici...
Text Solution
|
- If an athermous body absorbs 20% of the incident radiant energy then r...
Text Solution
|
- A rate of radiation of a perfectly black body at 0^@ C is X j/sec. Th...
Text Solution
|
- A spherical black body with a radius of 12 cm radiates 450 W power at ...
Text Solution
|
- A metal cube of each side 0.05 m long emits 0.6 kcal in 80 second. The...
Text Solution
|
- A perfectly black body emits total energy of 5 xx 10^2 joules in 50 mi...
Text Solution
|
- A surface has emissive power 2.4 xx 10^(-2) watt/m^2 and perfectly bla...
Text Solution
|
- Emissive power of a perfectly black body at 227^@ C is Eb. Emissive po...
Text Solution
|
- Ratio of rate of radiation of heat of a body at 227^@C to that of the ...
Text Solution
|
- Compare the rate of radiation of heat of a body at 327^@C with the rat...
Text Solution
|
- The temperature of a piece of metal is raised from 27^@C to 327^@C. Th...
Text Solution
|
- Ratio of emissive power of perfectly black
Text Solution
|
- The temperature of a piece of metal is raised from 27^@C to 84^@C. The...
Text Solution
|