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In a hydrogen atom the radius of the electron orbit is governed by Bohr’s quantum rule which states that __________. (the linear momentum of the electron is quantised, the angular momentum of the electron is quantised, the linear velocity of the electron is quantised, the angular velocity of the electron is quantised)

Asked by Narendra Kumar Sharma 19/02/2015 Last Modified 05 Oct

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. __________ is generally a reversed biased p-n junction in which light is allowed to fall on the p-layer through a window provided for this purpose. (L.E.D, photodiode, photovoltaic cell, transistor

L.E.D

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A and B toss a coin alternately till one of them gets a head and wins the game. if A starts first , find the probability that B will win the game.

U.k. Akshay posted a question in Class XI-XII Tuition (PUC) Question: A and B toss a coin alternately till one of them gets a head and wins the game. if A starts first , find the probability that B...

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What does stoichiometric defect mean?

Definition. If in an ionic crystal of type A+B? an equal number of cations and anions are missing from their lattice sites so that electrical neutrality as well as stoichiometry is maintained, then, this defect is called a Schottky Defect.

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|z-3-4i|=7 find the locus of z. sol.we know that in argand plane the complex no. is represented with a pt. compare this equation with |z-q|=r whera q is a complex no. (every real no. is also a complex no.)so Q=(3,4) in argand plane .and z is any point on the argand plane. |z-3-4i| represent the distance of point z from pt.(3,4) in the argand plane or complex plane. this distance is also given in the question =7.so the locus of z is any point from pt.(3,4) which is at a distance 7 from point (3,4).which is represnt a circle.because the circle is a curve traced by a moving point which is moving in such a way that it is at a fixed distance from a fixed pt. while moving.

It can be re written in Cartesian form as (x-3)^2 + (y-4)^2 = 7^2 This is equation of a circle with center at (3,4) and radius equal to 7

Sandeep

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When power of any number have 0 then it gives a value equal to 1. Why ?

If we divide 2^m by 2^n we get 2^m-n. Now 2^1/2^1=2^0 3^1/3^1=3^0 , 4^1/4^1=4^0. If any number is divided by itself we get 1. So 2^0=1 , 3^0=1 , 4^0=1

Arvind S.

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