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Question 24Asked in RRB JE CBT-1, 20 Feb 2026, Shift 1 (9:00 AM)

Which property explains why the path of light is not visible when a beam passes

Which property explains why the path of light is not visible when a beam passes through a true solution?
  1. AParticles are smaller than one nanometre
  2. BParticles can be removed by filtration
  3. CParticles are heavier than solvent molecules
  4. DParticles settle down on standing still
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Correct answer: (A) Particles are smaller than one nanometre

From RRB JE CBT-1 PYQ 20 Feb 2026, Shift 1 (9:00 AM)

This is question 24 of RRB JE CBT-1 PYQ 20 Feb 2026, Shift 1 (9:00 AM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.