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Determining the gravitational constant with the gravitation torsion balance after Cavendish - Measuring the excursion with a light pointer

Determining the gravitational constant with the gravitation torsion balance after Cavendish - Measuring the excursion with a light pointer

VP1.1.3.1

Oscillations of the gravitation torsion balance around the final equilibrium position SII (P1.1.3.1)

Diagram of light-pointer configuration (P1.1.3.1)

Determining the gravitational constant with the gravitation torsion balance after Cavendish - Measuring the excursion with a light pointer

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Description

In the experiment P1.1.3.1, the light pointer is a laser beam which is reflected in the concave reflector of the torsion balance onto a scale. Its position on the scale is measured manually point by point as a function of time.

Components of equipment sets

1	332101	Gravitation torsion balance
1	471791 8	Diode laser, 635 nm, 1 mW
1	31327	Hand-held stop-watch, 60s/0.2s
1	31178 4	Tape measure 2 m / 1 mm
1	30002 4	Stand base, V-shaped, small
1	30103 8	Rotatable clamp
1	30101 4	Leybold multiclamp
1	30042 4	Stand rod, 47 cm, 12 mm diam.

Experiment Instructions

PDF (Experiment description)

P1.1.3.1 Determining the gravitational constant with the gravitation torsion balance after Cavendish - Measuring the excursion with a light pointer

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Determining the gravitational constant with the gravitation torsion balance after Cavendish - Measuring the excursion with a light pointer

Description

Components of equipment sets

Experiment Instructions

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