The number of waves in n x 10th Bohrs orbit are
n2
n
n-2
n3
The number of waves in n x 10th Bohrs orbit are
The mass of one Avogadro number of helium atom is |
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The items amenable to detection by soft x-rays are |
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The material which can be deformed permanently by heat and pressure is called a |
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The mass number of a nucleus is |
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The inexpensive and commonly used variety of glass is called soda glass. It is called so because |
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The gas used in the manufacture of vanaspati from vegetable oil is |
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The ionic radii of N3-, O2-, F- and Na+ follows the order |
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The graphite rods in the nuclear reactor |
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The first metal used by man was |
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The hydronium ion is |
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