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WJEC 1420QS

Specified practical work — Specified practical work – Determination of h using LEDs

The specification requires estimation of Planck's constant using LED threshold measurements.

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Interactive Practical · A-Level Physics

Estimating the Planck constant using LEDs

Measure LED current–voltage curves, estimate threshold voltages and use a voltage–frequency graph to estimate the Planck constant.

This simulation supports preparation and data-analysis practice. It does not replace carrying out real practical work.

Matched to your course

WJEC · 1420QS

Specified practical work · Specified practical work – Determination of h using LEDs

Review the practical revision notes for this course

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