PHYSICS 10 SCIENCE · 2026–27 · Q1 · 12 MCQs · 12 marks · p. ii

Printed textbook model paper

A ray travelling from water to air bends:

پانی سے ہوا میں جانے والی ترچھی شعاع مڑتی ہے:

  1. (a)

    toward the normal

    عمود کی طرف

  2. (b)

    away from the normal

    عمود سے دور

  3. (c)

    at 90° to the normal

    عمود سے90° پر

  4. (d)

    parallel to the normal

    عمود کے متوازی

Solution & explanation

Correct choice(s): (b)

Away from the normal, provided the angle is below critical; above critical, total internal reflection occurs.

Independent study material · English-medium textbook p. ii · Original book ↗