Physics · Heat Transfer
For a gray body, the monochromatic emissivity (ελ) is constant across all wavelengths and its value is always ______.
- 1less than unity✓
- 2unity
- 3more than unity
- 4zero
Correct answer
less than unity
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 Physics?
Practice full-length Physics mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Heat Transfer?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Heat Transfer