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Exams & Certifications

9th Grade Optics Quizzes, Questions & Answers

Recent Optics Quizzes

Chapter 28: Reflection and Refraction

Questions: 87 | Attempts: 457 | Last updated: Mar 22, 2025

Sample Question
Light is emitted when

Electron clouds of atoms are forced into oscillation.

Atomic nuclei are made to vibrate.

Electromagnetic waves emanate from matter.

High-frequency sound waves strike matter.

Chapter 26: Properties Of Light

Questions: 45 | Attempts: 1680 | Last updated: Mar 22, 2025

Sample Question
Most of the waves in the electromagnetic spectrum are

Red light.

Blue light.

Green light.

Invisible.

Chapter 23: Light: Geometric Optics

Questions: 124 | Attempts: 1787 | Last updated: Mar 21, 2025

Sample Question
Reflection, refraction, and the formation of images by mirrors and lenses has been successful described by the

Wave model of light.

Ray model of light.

Particle model of light.

None of the given answers

Building Construction (Lighting Systems)

Questions: 15 | Attempts: 224 | Last updated: Mar 21, 2025

Quiz About Light Concepts and Mirrors

Questions: 20 | Attempts: 1173 | Last updated: May 8, 2025

10th Grade(Class) Counseling Test

Questions: 12 | Attempts: 117 | Last updated: Oct 12, 2025

Sample Question
On putting few dops of liquid on a pH strip,the strip changes colour to green. The liquid is most probably-

Lemon Juice

Dilute HCl

NaOH Solution

Water

Types Of Lenses and Mirrors Quiz

Questions: 10 | Attempts: 25995 | Last updated: Aug 20, 2025

Sample Question
What type of lens converges light?

Convex

Concave

Plane

None

Laws Of Reflection Quiz

Questions: 10 | Attempts: 4013 | Last updated: Aug 12, 2025

Sample Question
What measures the angle of incidence?

Light source

Reflecting ray

Incident ray

Normal

Em Spectrum - Ultraviolet

Questions: 5 | Attempts: 214 | Last updated: Mar 22, 2025

Sample Question
How many subtypes does ultraviolet light have?

2

3

4

Introducing Photonics and Lasers

Questions: 6 | Attempts: 158 | Last updated: Aug 16, 2025

Sample Question
Laser shows are the use of photonics in ______.

Industry

Internet

Illumination

Lightning

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