← All lessons
🔬 Science - Class 10
Unit 10 · Effects of injuries to the cornea in the eyes

Lens Presentation

ScienceSubject
8 minEstimated read
Slide 1 of 4
Science and Technology, Grade 10 · Unit 10

Lens

Convex and concave · Six key terms

By the end of this lesson you can

🔍

Define a lens

💧

Make a water hand lens

↔️

Tell convex and concave lenses apart

📐

Explain C, R, O, F, f and the principal axis

“
A lens is a transparent medium that has at least one spherical surface.

10 more slides are waiting

The notes are free to read in full.

Create free account Sign in

Presenter notes: Today we study lenses, the curved glass inside spectacles, hand lenses and cameras. We will learn what a lens is, its types, and the words used to describe it.