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प्रश्न
Answer the following questions based on a hot cathode ray tube
Name the charged particles
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उत्तर
Electrons are charged particles.
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संबंधित प्रश्न
State three factors on which the rate of emission of electrons from a metal surface depends
How can they be made to leave the metal surface? (State any two ways)
Give a scientific explanation.
When the radiation coming out from a certain radioactive substance is passed through an electric field, marks are found at three places on the photographic plate placed in its path.
Give the relative ionizing power of α, β and γ radiations.
Define the term radioactivity.
Name two radioactive substances.
When an α-particle of mass m moving with velocity ν bombards on a heavy nucleus of charge Ze, its distance of closest approach from the nucleus depends on m as:
Which type of radioactive emission is strongly ionising in nature?
Which decay process involves the emission of a particle with a comparatively large mass and a positive charge?
