Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

15 Questions

0 Views

Light Basics and Reflection MCQ 1

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the speed at which light travels away from its source?

2 x 10^8 ms^-1

3 x 10^8 ms^-1 (correct)

5 x 10^8 ms^-1

4 x 10^8 ms^-1

What does the Refractive Index of a Medium measure?

The bending of light in the medium

The rate of reflection in the medium

The speed of light in the medium

The ratio of angles of incidence and refraction in the medium (correct)

What type of reflection occurs when light scatters off a rough surface in all directions?

Diffuse Reflection (correct)

Regular Reflection

Specular Reflection

Regular Refraction

What type of image is formed by the apparent intersection of light rays?

Virtual Image Signup and view all the answers

Which law states that the incident ray, the normal at the point of incidence, and the reflected ray all lie in the same plane?

Law 1: Angle of Incidence equals Angle of Reflection Signup and view all the answers

What type of images do convex mirrors produce?

Only Virtual Images Signup and view all the answers

What happens to the image size as an object moves closer to a convex mirror?

The image size decreases Signup and view all the answers

What is the difference between the images produced by a concave mirror when the object is outside the focus and when it is inside or at the focus?

The image is real when the object is outside the focus and virtual when it is inside or at the focus. Signup and view all the answers

What formula can be used to calculate focal length (f), object distance (u), and image distance (v) for a concave mirror?

$\frac{1}{f} = \frac{1}{u} + \frac{1}{v}$ Signup and view all the answers

Which type of mirror is commonly used by dentists and in floodlights?

Concave mirror Signup and view all the answers

What type of mirrors are typically used in supermarkets and cars to provide a wide field of view?

Convex mirrors Signup and view all the answers

What happens to the direction of light when it goes from a denser medium to a rarer medium?

It refracts towards normal Signup and view all the answers

What property makes an optical fibre capable of transmitting light?

Total internal reflection Signup and view all the answers

What does Snell's Law define in the context of refraction?

The relationship between angles of incidence and refraction Signup and view all the answers

What is the critical angle in optics?

An angle where complete reflection occurs Signup and view all the answers