Isotopes of an element contain
the same number of protons but different number of neutrons
the same number of neutrons but different number of protons
equal number of protons and electrons
equal number of nucleons
Isotopes of an element contain
One watt-hour is equivalent to |
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Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation? |
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In which of the following industries is mica as a raw material? |
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Radiocarbon dating technique is used to estimate the age of |
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Identify the vector quantity from the following |
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Large astronomical telescopes always use as objective |
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One should not connect a number of electrical appliances to the same power socket because |
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Radiocarbon is produced in the atmosphere as a result of |
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It is easier to roll a stone up a sloping road than to lift it vertical upwards because |
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The absorption of ink by blotting paper involves |
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