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Order of performance

1. Install the line into the position of the least deflection. Using the strip of the rolling, possible turn the prism, at this time angle of the deflection rays by prism is changing. Keeping a check on violet line, do that its deflection will be least. For this white colour is indicated by prism ray.

2. Measure the angle of the least deflection, Measure the angle of the least deflection for this lines in degrees with a ruler.

3. Calculate the factor of the refraction. On theoretic formula calculate the meaning of the refraction for this line. The Refracting angle of this prism is 30 degrees.

4. Do the described above experiments for other lengths of the waves.

Do the described above experiments for other line with another meanings of the lengths of the waves.

The Red colour - 0,65 мкм. Orange - 0,60 мкм. Yellow - 0,58 мкм.

Green - 0,55 мкм. Light - blue - 0,50 мкм. Blue - 0,45 мкм.

Violet - 0,40 мкм

5. Do the graphs of the dependencies of the factor of the refraction from wavelength. The scale on axises of the coordinates select to filled the whole sheet.

6. Infer corclusion from done work. Mark out: the factor of the refraction become more or less during larging of the waves that is a dispersion is normal or anomalous.

Authors: Serpetsky B.A., the reader, candidate of physical and mathematical sciences.

Reviewer: Loskutov S.V., professor, doctor of physical and mathematical sciences.

ЛАБОРАТОРНА РОБОТА № 70 Фотоефект

( КОМП’ЮТЕРНИЙ ВАРІАНТ )

Мета роботи - дослідити явище фотоефекту.

Прилади і обладнання: комп’ютер.

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