Multiple choice

Medium through which light cannot pass is called

  1. transparent

  2. opaque

  3. translucent

  4. alloy

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

An opaque medium is one through which light cannot pass - it either absorbs or reflects all light. Transparent materials allow light to pass through clearly, while translucent materials allow partial passage. Option B (opaque) is correct.