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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?
Describe Kirchoff's Voltage Law? Ans. It describe, " the sum of the Voltage drops around a DC series circuit same to the applied voltage or source. E = E 1 + E 2 = E 3 .
1. There are 40 such microwave hops in tandem. What is the end-to-end C/N of the link? 2. Assume now that these 40 hops are replaced by a single satellite hop as shown below.
Q. What is the charge of each of the particles? The e is a unit of charge and it isn't an SI unit of charge but it is a valid unit of charge. In expressions of this unit of cha
THOMSON'S ATOMIC MODEL:- According to Thomson's atomic model positive charge is distributed uniformly over the entire body of the atom while the electrons are embedded in it. S
why electrons do not exist in nucleus
Capacitor: A capacitor is a device used to kept charge and electrical energy. The stored electrical energy in a capacitor can be utilized according to the need. Factors on w
Cathode rays, discovered by Sir Willium Crooke are the stream of electrons. They may be given by using a discharge tube containing gas at a low pressure of the order of 10-2 mm of
Illustrate V - I graph for ohmic and non-ohmic materials. Give one example for each.
Physics is one of the types of science. Science works according to scientific method . The scientific method accepts only logic, reason, and experimental evidence to tell betw
what are like and unlike parallel force?
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