📚 CBSE Grade-10 Study Guide
HomeScience (086) (AI practice)

Science (086) — AI-generated practice question

AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.

Q1. [1] straightforward exam-ready
When white light passes through a glass prism, the colour that deviates the LEAST is:
  1. A Violet
  2. B Blue
  3. C Green
  4. D Red
Generated by claude-sonnet-4-6 · 2026-06-26 01:07 · grounding rag
Model Answer

D – Red

Red light bends the least while passing through a glass prism, as different colours bend through different angles; violet bends the most.

Source: Chapter 10, Section 10.4 – Dispersion of White Light by a Glass Prism

---

Explanation

The textbook explicitly states: "The red light bends the least while the violet the most." In dispersion, VIBGYOR is the order from most deviated (Violet) to least deviated (Red). Examiners expect you to recall this directly — just state the colour and give a one-line reason.

Previous-year CBSE Grade 10 board exam questions, organised by subject and chapter, each with a model answer — free to read and print.