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physics short question answer

Important Short Questions and Answers of Physics for class 12 NEB

1. How are stationary waves formed? [NEB 2055] Stationary waves are those which cannot carry energy from one end to another. Their formation is possible when two waves of the same frequency traveling with the same velocity in opposite directions interact with each other. This makes the resultant velocity of the waves zero. However since …

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Scientific Research

Scientific Research: Definition of Scientific Research and its characteristics

Scientific Research is an aggregate of activities carried out by using scientific methods in sequential order to describe an event of a phenomenon or draw conclusions on the basis of available information.  A definition of scientific research that fits different views is; a systematic, careful inquiry or investigation done to discover new information or relationship …

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J.J. Thomson's Experiment: Detailed Explanation

J.J. Thomson’s Experiment: Detailed Explanation

J.J. Thomson’s Experiment Explanation The experiment to determine the specific charge of the electron, commonly known as J.J Thomson’s Experiment, was performed by Joseph John Thomson in 1897, a professor of England. The specific charge of an electron is defined as the charge of electron per unit mass of it. Principle of Working (Cross fields) …

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gravity

Gravitational force, Law of Gravitation and its Importance

Gravitational force, Law of Gravitation and its Importance What is gravitational force? The force with which the earth pulls everything towards its centre is called gravity or the force of attraction between any two bodies in the universe is called gravitational force. Gravitational force is the weakest force ever discovered until now. The force of …

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