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प्रश्न
Mention one important function of ear main parts:
State the principle on which the functioning of a nuclear reactor is based.
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उत्तर
(i) Electron gun gives out fine beam of electrons.
(ii) The deflecting system deflect electron beam in horizontal and vertical direction.
(iii) The fluorescent screen gives bright spot on stirking of electron.
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संबंधित प्रश्न
State three factors on which the rate of emission of electrons from a metal surface depends
Why do Free electrons not leave the metal surface on their own
An electromagnetic radiation is used for photography in fog. [2]
(i) Identify the radiation.
(ii) Why is this radiation mentioned by you, ideal for this purpose ?
What happens to the atomic number of element when (i) An α -particle, (ii) A β -particle 1 and (iii) γ-radiation is emitted?
A nucleus of an element X which has the symbol `""_84^202` X emits an alpha particle and then a beta particle. The final nucleus is `""_"b"^"a"` Y Find a and b.
A radioactive source emits three types of radiations.
Name the radiation which has the highest ionizing power.
State three safety precautions that you would take while handling the radioactive substances.
From α, β and γ-rays, name the one which is not affected by electric or magnetic field?
Heavy radioactive elements eventually turn into ______.
