Physics Experiment

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Inclined plane, acting on a roller due to the gravitational pull of the earth.

Inclined plane, acting on a roller due to the gravitational pull of the earth.

Inclined Plane: Objective: To find the downward force along an inclined plane, acting on a roller due to the gravitational pull of the earth. To study its relationship with the angle of inclination θ by plotting a graph between applied force and sin θ Theory: The inclined plane consists of a smooth plane hinged to … Continue reading “Inclined plane, acting on a roller due to the gravitational pull of the earth.”





Sonometer Experiment

Sonometer Experiment

Objective To study the relation between frequency and length of a given wire under constant tension using sonometer. To plot a graph between ν and l. To study the relation between length of a given wire and tension for constant frequency using sonometer. To plot a graph between l2 and T. Theory   What is a … Continue reading “Sonometer Experiment”





To compare the emfs of two given primary cells using a potentiometer.

To compare the emfs of two given primary cells using a potentiometer.

The potentiometer- Comparison of emf: Theory Potentiometer Potentiometer is a device used to compare the e.m.f. (electromotive force) of two cells, to measure the internal resistance of a cell, and potential difference across a resistor. It consists of a long wire of uniform cross-sectional area and of 10 m in length. The material of wire … Continue reading “To compare the emfs of two given primary cells using a potentiometer.”





To determine the frequency of alternating current using a sonometer.

To determine the frequency of alternating current using a sonometer.

To determine the frequency of alternating current using a sonometer. AC Sonometer: A sonometer is an apparatus used to study the transverse vibrations of stretched strings. It is in the form of a hollow wooden rectangular box. On the wooden rectangular box there are two bridges and a pulley at one end.  A wire string … Continue reading “To determine the frequency of alternating current using a sonometer.”





To determine the resistance per cm of a given wire by plotting a graph of potential difference versus current, and hence to determine its resistivity.

To determine the resistance per cm of a given wire by plotting a graph of potential difference versus current, and hence to determine its resistivity.

Ohm’s Law Apparatus: To determine the resistance per cm of a given wire by plotting a graph of potential difference versus current, and hence to determine its resistivity. According to the Ohm’s law, “The current flowing through a conductor is directly proportional to the potential difference across its ends provided the physical conditions (temperature, dimensions, … Continue reading “To determine the resistance per cm of a given wire by plotting a graph of potential difference versus current, and hence to determine its resistivity.”





To measure the internal resistance of a given primary cell using potentiometer.

To measure the internal resistance of a given primary cell using potentiometer.

The Potentiometer-Internal resistance of a cell: Theory Potentiometer Potentiometer is a device used to measure the internal resistance of a cell, to compare the e.m.f. of two cells and potential difference across a resistor. It consists of a long wire of uniform cross sectional area and of 10 m in length. The material of wire … Continue reading “To measure the internal resistance of a given primary cell using potentiometer.”