Gold Leaf Electroscope Experiment

# Gold Leaf Electroscope Experiment Video Lecture | Physics Class 12 - NEET

## Physics Class 12

105 videos|425 docs|114 tests

## FAQs on Gold Leaf Electroscope Experiment Video Lecture - Physics Class 12 - NEET

 1. What is a gold leaf electroscope?
Ans. A gold leaf electroscope is a scientific instrument that is used to detect the presence of an electric charge. It consists of a metal rod with a metal ball at the end, and two thin gold leaves hanging from the ball. When an electric charge is present, the leaves are repelled from each other and stand apart.
 2. How does a gold leaf electroscope work?
Ans. A gold leaf electroscope works based on the principle of electric charge repulsion. When an electric charge is present, it induces a charge in the metal rod and the metal ball, which are connected to the leaves. The similar charges repel each other, causing the leaves to stand apart. The degree of separation of the leaves indicates the strength of the electric charge.
 3. What are the uses of a gold leaf electroscope?
Ans. A gold leaf electroscope is used in various scientific experiments and researches to detect the presence and strength of an electric charge. It is used in physics, chemistry, and biology experiments. It is also used in the study of atmospheric electricity, radioactivity, and nuclear physics.
 4. How to use a gold leaf electroscope?
Ans. To use a gold leaf electroscope, first, charge the metal ball by rubbing it with a piece of cloth or by touching it to a charged object. Then, bring the charged metal ball near the leaves, and the gold leaves will be repelled from each other and stand apart. The degree of separation of the leaves will indicate the strength of the electric charge.
 5. What are the limitations of a gold leaf electroscope?
Ans. A gold leaf electroscope has some limitations. It cannot detect the type of charge present, whether it is positive or negative. It can only detect the presence and strength of the electric charge. Also, the leaves may gradually lose their charge due to air currents and other factors, which may affect the accuracy of the measurement.

## Physics Class 12

105 videos|425 docs|114 tests

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