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Question
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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Solution
(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.
RELATED QUESTIONS
Answer the following questions based on a hot cathode ray tube
Name the charged particles
State the energy conversion taking place in a cathode ray tube
State the penetrating range of α, β and γ radiations.
A radioactive nuclide `""_86^226` Ra decays by emission of two alpha particles, one beta particle and gamma rays. Which of the following is the resulting nuclide X?
Name two radioactive substances.
In a cathode ray tube state the purpose of covering cathode by thorium and carbon.
Explain, why radium paint, consisting of zinc sulphide and a trace of radium salt, glows in the dark?
Assertion (A): Hydrogen atom consists of only one electron but its emission spectrum has may lines.
Reason (R): Only Lyman series is found in the absorption spectrum of hydrogen atom whereas in the emission spectrum, all the series are found.
