A.Zero
B.Between 0 to 0.5
C.More than 0.5
D.1
Related Mcqs:
- When a body is in thermal equilibrium with its surroundings, the absorptivity and the emissivity of the body are same. This Law is known as
- If the absorptivity plus reflectivity of a body equals 1, then the body is known as
- The emissivity of a body will be equal to absorptivity when
- In case of a body transparent to thermal radiation
- In case of aircraft body the type of welding generally used is
- What will happen to our heart beat in case our body temperature is decreased:
- In case of automobile body work the type of welding generally used is
- In case of permanent blockade of ADH secretion in our body we suffer with a disease called:
- In case the temperature of a hot body is increased by 50%, the amount of radiation emitted by it would increase by nearly
- For all substances the absorptivity must lie between
