Physics · Light and Optics
What is the primary optical effect of increasing the operational pressure and temperature in a high-pressure sodium lamp?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1It permanently prevents the lamp from starting properly
- 2It narrows the spectrum of the sodium discharge
- 3It causes the lamp to emit purely monochromatic light
- 4It broadens the sodium discharge emission spectra away from the D-line resonance line✓
Correct answer
It broadens the sodium discharge emission spectra away from the D-line resonance line
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Light and Optics MCQs →Want more practice questions on Light and Optics?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Light and Optics