Question Paper
Class / Subject: Class 7 (CBSE) · Science
Chapter: Chapter 11 — Chapter 11: Light: Shadows and Reflections
Time Allowed: 15 minutes
Max Marks: 6
1. A shadow is formed because light travels in a: [1]
(A) straight line
(B) curved line
(C) zigzag path
(D) circular path
2. Shadows are typically longest: [1]
(A) in the early morning or evening
(B) at noon
(C) at midnight
(D) never change length
3. A translucent object, like frosted glass, casts a: [1]
(A) partial, blurry shadow
(B) no shadow at all
(C) a perfectly sharp shadow
(D) a coloured shadow only
4. The angle of incidence is always: [1]
(A) equal to the angle of reflection
(B) double the angle of reflection
(C) half the angle of reflection
(D) unrelated to the angle of reflection
5. An image formed by a plane mirror is: [1]
(A) virtual and laterally inverted
(B) real and upright
(C) real and inverted
(D) always magnified
6. Diffused reflection occurs mainly on: [1]
(A) rough surfaces
(B) perfectly smooth mirrors only
(C) transparent surfaces
(D) no surfaces