Light Source: Candle
Convex Lens ($f$ is Unknown)
Screen View (Front)
O
No Image Formed
Object Lens Screen

Station 1: Ray Optics

Determine the focal length of the convex lens.

Procedure constraints

  • Drag the Object, Lens, and Screen along the optical bench.
  • Form a sharp image of the object 'O' on the screen.
  • CRITICAL: Ensure the image is smaller than the object.
  • Record the Object distance ($u$) and Image distance ($v$) below.

Live Readings

Object Mark
10.0 cm
Lens Mark
40.0 cm
Screen Mark
90.0 cm
Calculated Spacings:
$u$ (Lens - Object) = 30.0 cm
$v$ (Screen - Lens) = 50.0 cm
Attempt $u$ (cm) $v$ (cm)
No valid data recorded yet.