Neon gas in sodium vapour lamp :
AChanges the colour of the lamp
BActs as a shield around the filament
CAssists in developing enough heat to vaporize the sodium
DPrevent vapourisation of filament
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
കൂട്ടത്തിൽപ്പെടാത്തതേത് ?
The line joining the point of intersection of cross hairs and optical centre of the object glass and its continuation
Prismatic compass, read-------- bearings
A structure which takes out slit from a canal is called
Two springs of stiffness Ka, and Kb , are placed one inside the other so as to compress by the same amount under an applied axial load. The combined stiffness of the two springs will be E