X-rays: continuous spectrum, characteristic lines, Moseley and Bragg
Raise the tube voltage and watch lambda_min, then the K lines appear; Moseley's law gives Z and Bragg's law gives crystal angles.
About this experiment
| Subject | Physics |
|---|---|
| Class | 12 |
| Chapter | 11. Dual Nature of Radiation and Matter |
| NCERT section | Modern physics |
| Level | Advanced (JEE / Olympiad) |
| Time | about 16 minutes |
| Access | Included in a PractiSci plan |
What you do in the lab
Change the controls and watch the physics behave in real time in 3D. Live readouts and graphs show the numbers behind it, and the Learn tab has the theory, procedure, observations and viva questions. Works on a phone or a laptop, in English and Hindi.
Topics: X-rays · Moseley · Bragg · Duane-Hunt · characteristic spectrum
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- Photoelectric effect: stopping potential and Einstein's equation
- Thomson's experiment: specific charge e/m of the electron
- Heisenberg uncertainty principle with single-slit electron diffraction