Objective: Determine Planck’s constant using the decelerating voltage method
In a modified version of a classic set-up, light of known frequency passes through a ring-shaped anode to collide with a cathode, where it causes electrons ...
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Objective: Carry out Millikan’s experiment to onfirm the value of the elementary charge with the help of charged oil drops
Between the years 1910 and 1913, Robert Andrews Millikan managed to measure the elementary electric charge ...
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Objective: Record and interpret the Balmer series of lines for hydrogen other line spectra in the visible region
The line spectra of light-emitting atoms are uniquely characteristic for each specific chemical element, although they become ...
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Objective: Carry out high-precision measurements of absorption and emission lines
The resolution of a spectrometer is often assessed in terms of whether the two sodium D-lines can be distinguished. This experiment uses a digital spectrometer ...
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• Record and evaluate the Franck-Hertz curve for neon and observe emission of light.
• Compare the distribution of current maxima with the excitation energies of neon atoms.
• Observe the light ...
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• Measure the collector current IR as a function of the accelerating voltage UA.
• Compare the positions of the current maxima with the known critical potentials of the helium atom.
• Identify ...
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Objective: Demonstrate electron spin resonance in DPPH
Electron spin resonance (ESR) is based on the energy absorption by substances with unpaired electrons, which are inside an external magnetic field produced by a DC source. The energy ...
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Objective: Demonstrate and compare nuclear magnetic resonance in glycerine, polystyrene and Teflon
Nuclear magnetic resonance (NMR) is based on the energy absorption by substances with nuclear magnetism, which are inside an external ...
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