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Define the terms threshold frequency and stopping potential in relation to the phenomenon of photoelectric effect. How is the photoelectric current affected on enhancing the
(i) frequency
(ii) intensity of the incident radiations and why?
obtain expression for potential at point due to uniformly chargeddisc
When a pulse is reflected from a free side, then there is no changing of medium. Crest (C) represents as crest (C) and trough (T) denotes as trough (T), Time changes by zero and
Method of Making magnet: There are two types of making magnets. Single Touch Method: a. In this method a bar magnet is rubbed on a hard steel bar. b. The magnet is k
parsec: The unit of distance explained as the distance mentioned by an Earth-orbit parallax of 1 arc sec. It equals approximate 206 264 au, or about 3.086 x 10 16 m.
Show that average value of Poynting vector for a plane e-m wave is 1/2 √μ/e XH 2 .
A bullet with mass m is fired into a block of a mass M intially at rest at the edge of a frictionless table of a given height. the bullet remains in the block, and after the impact
Que: What is an electric current? Answer: From Ohm's Law V = IR amid R being a constant one finds that I = V/R. therefore current is equal to voltage divided by resis
Question: What is the colour of the shortest wavelength observable light? Answer: Keeping in mind the actuality that the higher the frequency the shorter the waveleng
why does rain water boils faster than fresh water
Artificial satellites 1. Satellites help to develop reliable communication links between different countries separated by large distances on the globe. The communications inclu
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