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According to Rutherford's experiment when a sample of radioactive substance is place in a lead box and permit the emission of radiation by a small hole only. When the radiation enters into the external electric field, they divide into three parts
(i) Radiations which deflects towards negative plate are known as alpha- rays (stream of positively charged particles)
(ii) Radiations which deflects towards positive plate are known as Beta-particles (stream of negatively charged particles)
(iii) Radiations which are undeflected known as Gamma rays. (E.M. waves or photons)
Two particles execute S.H.M of same amplitude and frequency ,along the same straight line from same mean position.They cross one another without collision,when going in opposite di
(i) Electric field lines come out of positive charge and go into the negative charge. (ii) Tangent to the field line at any point gives the direction of the field at that point.
law of successive disintegration in radioactivity
why fall an apple from a tree
lumeniferous aether: A substance, that filled all the empty spaces among matter, which was utilized to describe what medium light was "waving" in. it now has been discredited,
Q. (a) A giant refracting telescope at an observatory has an objective lens of focal length 15m. If an eyepiece of focal length 1.0 cm is used, what is the angular magnification o
illustrate the parts and function of motor
Illustrate the polarity of Barrier potential. The free electrons which cross over the junction recombine with the holes of p-type and uncover some of the negative ac
An α particle is a positively charged particle. Rutherford observed the behaviour of these particles when they approach the interior of the atoms as shown in fig. Rutherford ob
i am class 12 student given an assignment on ''to study the truth operation performed by OR GATE.'' please help me with the assignment
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