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Question 20Asked in RRB ALP CBT-1, 18 Feb 2026, Shift 1 (9:00 AM)

Lenses in spectacles help correct vision defects due to:

  1. AReflection from mirrors
  2. BScattering of light
  3. CDispersion of light
  4. DRefraction of light through lenses
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Correct answer: (D) Refraction of light through lenses

From RRB ALP CBT-1 PYQ 18 Feb 2026, Shift 1 (9:00 AM)

This is question 20 of RRB ALP CBT-1 PYQ 18 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.