Question

The ratio of pressure of CO2 : N2: He used in CO2 laser is __________.


Option 1:
1:4:5

Option 2:
5:4:1

Option 3:
4:5:1

Option 4:
1:5:4

Answer 1

OPTION 1:

1:4:5

THE RATIO OF PRESSURE OF CO2 : N2 : HE USED IN CO2 LASER IS 1:4:5. ....... HERE IS CORRECT ANSWER MATE PLEASE MARK ME AS BRAINLIEST ........