Laser is an acronym for light amplification by
A.stimulated emission of radiation
B.spontaneous emission of radiation
C.stimulated energetic radiation
D.spontaneous emission of radio waves
A.stimulated emission of radiation
B.spontaneous emission of radiation
C.stimulated energetic radiation
D.spontaneous emission of radio waves
A.calcium chloro hypochlorite
B.calcium hypochlorite
C.calcium chlorate
D.calcium perchlorate
A.2 kcal/(kg.K)
B.8 kcal/(kg.K)
C.1 kcal/(kg.K)
D.0.5 kcal/(kg.K)
A.Paraffins
B.Naphthenes
C.Olefins
D.Isoparaffins
A.that every two hours one reactor volume of feed at specified conditions is being treated by the reactor
B.that two reactor volumes of feed at specified conditions are bing fed into the reactor per hour
C.that the actual reactor volume is double that of the optimum reactor volume
D.that one-half reactor volume of feed at specified conditions are being fed into the reactor.
A.fourth nation of the world
B.fifth nation of the world
C.sixth nation of the world
D.seventh nation of the world
A.SiO2
B.K2O (1-2%)
C.ZnO
D.V2O5
A.FL-2
B.FL
C.F-1 L3
D.FL-1
A.Gasoline
B.Furnace oil
C.Light diesel oil
D.High speed diesel oil
A. polarisation of light
B. change of the electrical conductivity of solution with composition
C. change of angle of refraction with composition
D. change of electrical conductivity of solution with temperature