It is the thickness of the material at which the radiating material is reduced to its half-life.
It is the one half of the thickness of the material required to reduce radiation entering it.
It is the thickness of the material at which the intensity of radiation entering it is reduced by one half
None of these
Centrifugal compressors
Axial flow compressors
Both (A) and (B)
Isentropic process
Isosceles Process
Isoclinic process
(a) Otto Cycle
(b) Joule Cycle
Brayton Cycle
Both (B) and (C)
(a) They can operate in airless vacuum
(b) They have their own captive oxygen supply