Biology · Biotechniques
Which metal is commonly used as a filament for electron beam generation in scanning electron microscopy (SEM)?
- 1Tungsten (W)✓
- 2Magnesium (Mg)
- 3Mercury (Hg)
- 4Zinc (Zn)
Correct answer
Tungsten (W)
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!
Preparing for Biology?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Biotechniques?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Biology · Biotechniques