According to Wien’s law, the wavelength corresponding to maximum energy is proportion to ________________?

Related Mcqs:

The insulation ability of an insulator with the presence of moisture would_________________?

A. increase B. decrease C. remain unaffected D. may increase/decrease depending on temperature and thickness of insulation E. none of the above...

Thermal conductivity of air at room temperature in kcal/m hr °C is of the order of__________________?

A. 0.002 B. 0.02 C. 0.01 D. 0.1 E. 0.5...

In convection heat transfer from hot flue gases to water tube, even though flow may be turbulent, a laminar flow region (boundary layer of film) exists close to the tube. The heat transfer through this film takes place by___________________?

A. convection B. radiation C. conduction D. both convection and conduction E. none of the above...

In counter flow heat exchangers_________________?

A. both the fluids at inlet (of heat ex¬changer where hot fluid enters) are in their coldest state B. both the fluids at inlet are in their hot¬test state C. both the fluids .at exit are in their hottest state D. one fluid is in hottest state and other in coldest state at inlet E. … In counter flow heat exchangers_________________?Read More...

The ratio of the energy absorbed by the body to total energy falling on it is called_________________?

A. absorptive power B. emissive power C. absorptivity D. emissivity E. none of the above...