Class 11ChemistryStructure of AtomDiscovery and Properties of anode, cathode rays neutron and Nuclear structure
EasyIn Millikan's experiment,static electric charge on the oil drops has been obtained by shining $X$-rays. If the static electric charge on the oil drop is $-1.282 \times 10^{-18} \ C,$ calculate the number of electrons present on it.
- A$8$
- B$5$
- C$10$
- D$2$
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Which of the following pairs has the identical $e/m$ value?
Radius of the nucleus is equal to $10^{-12} \ cm$ and that of the atom is equal to $10^{-8} \ cm$. What is the fraction of the volume of the atom occupied by the nucleus?
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View SolutionMatch the following:
$A$. Chadwick $1$. Cathode rays $B$. Rutherford $2$. $X$-ray spectra $C$. Moseley $3$. Discovery of neutrons $D$. $J$. $J$. Thomson $4$. Nuclear atom model
| $A$. Chadwick | $1$. Cathode rays |
| $B$. Rutherford | $2$. $X$-ray spectra |
| $C$. Moseley | $3$. Discovery of neutrons |
| $D$. $J$. $J$. Thomson | $4$. Nuclear atom model |
The nucleus of the atom consists of
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View SolutionIdentify the correct increasing order of $e/m$ ratio for the following particles: $n, p, e, \alpha$.
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