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CHHAYA PUBLICATION-STRUCTURE OF ATOM-EXERCISE (VERY SHORT TYPE QUESTION)
- What is the value of e/m of an electron?
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- How manytimes a proton is heavier than an electron?
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- Mention one similarity between isobar and isotone-
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- What is wave number?
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- Arrange in order of increasing wavelength: UV, gamma, X, IR- rays.
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- What is meant by stationary orbit?
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- Who proposed the quantum theory of radiation?
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- What is the value of Plancks' constant in SI unit?
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- What is the value of angular momentum of an electron occupying the sec...
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- Mention the symbol and the mass number of an element which contains tw...
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- Why is the spectrum of H^(+) not obtained?
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- How many proton(s)& electron(s) are in H^(-) ion?
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- From which principal energy state, the excited electron comes down the...
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- How many neutrons are present in ""(20)^(40)Ca^(2+) ion?
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- What is the nature of hydrogen spectra?
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- Mention one ion that obeys Bohr's theory.
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- Write the relationship between wavelength and momentum of a moving mic...
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- Indicate the limitation of de Broglie equation.
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- Is the uncertainty principle applicable to stationary electron?
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- Energy associated with which of the following waves is not quantised? ...
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