Wavelength of radiation emitted by a body depends on the ________________ of its surface?

Related Mcqs:

Boiling point of water gets lowered at high altitudes (e.g., hills), because ___________________?

A. Temperature is low B. Atmospheric pressure is low C. Atmospheric pressure is high D. None of these...

Which of the following has the least value of ultimate tensile strength (UTS) ?

A. Medium carbon steel B. High carbon steel C. Cast iron D. Wrought iron...

When the wavelength of incident X-rays increases, the angle of diffraction__________________?

A. Decreases B. Increases C. Remain constant D. Shows no systematic variation...

The function of neutral flux used in the pyrometallurgy of metal extraction is to increase the _____________ of the slag ?

A. Fluidity B. Basicity C. Acidity D. Viscosity...

Which of the following metals is the most prone to work hardening ?

A. Brass B. Aluminium C. Copper D. Lead...