We describe a concave lens a lens that is thinner across the middle and causes rays to diverge as a diverging lens because it causes the rays of light to refract outwards.

Accessibility Commitment

We are committed to making our presentations accessible to everyone. Our platform supports adjustable text size, color schemes, keyboard navigation, and screen reader compatibility.

Keyboard Shortcuts

→ or Space
Next slide
← or Backspace
Previous slide
Home
First slide
End
Last slide
F
Toggle fullscreen
S
Open settings
N
Play/pause narration
Esc
Close dialog or exit fullscreen

Accessibility Features

  • Text resizing and customizable display settings
  • High contrast color themes
  • Alternative text for images
  • Keyboard navigation through all content
  • Screen reader compatibility with ARIA landmarks
  • Narration for text content

If you encounter any accessibility barriers or have suggestions for improvement, please contact us:

Email: hello@developingexperts.com