Join our Telegram Channel

1000 POLITICAL SCIENCE MCQS | EBook
Get 22 nos. GK EBooks | Combo Pack
Current Affairs Monthly Magazine -Subscribe Now!
1000 BIOLOGY MCQS AND ANSWERS | EBook
1000 ECONOMICS MCQS FOR EXAMS | EBook
Mughal Empire MCQs | EBook
ECONOMIC GEOGRAPHY MCQs | EBook
350 MCQs ON INDIAN CONSTITUTION | EBook
GENERAL AWARENESS COMBO (6 EBOOKS)

Question

Sodium vapour lamps glow with yellow colour due to

A Sublimation of sodium to emit yellow colour
B The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum
C The low ionization energy of the spectrum
D Its ability to absorb all colours except yellow

Answer & Explanation

Answer: Option [B]

Advertisement

General Knowledge

Month-wise Current Affairs 2022

Category-wise Current Affairs

Jobs by Qualification

Free Mock Test