5202Chemical EngineeringMedium
Laser is a device to produce________?
AA beam of coherent light
BGamma rays
CMicrowaves
DA beam of white light
Correct answer
A. A beam of coherent light
Explanation
The correct answer is A beam of coherent light.
Correct answer
A. A beam of coherent light
Explanation
The correct answer is A beam of coherent light.
Babbitt metal (used for making bearings) comprises of________?
________ is not a constituent of gun powder?
A solid is transformed into vapour without going to the liquid phase at________?
Industrial production of chloroform requires acetone and________?
Sudden fall of atmospheric pressure by a large amount is an indication of the________?
Fluid energy mill comes in the category of________?