Question
Which conservation law is violated in nuclear beta decay
if neutrinos are not considered?Solution
In beta decay, an electron (or positron) is emitted from a nucleus. If no neutrino were emitted, the momentum of the system wouldn’t be conserved. The neutrino carries away missing momentum and energy, ensuring momentum and energy conservation. Hence, without neutrinos, linear momentum conservation is violated.
In the question given below, one word has been omitted. Choose the most appropriate word from the given options that can fill the blank and make the se...
After recapitalization, government should _________ on a linked reform.
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Fill in the blanks using the correct tenses of the verbs given in brackets and choose the right answer from among the options given below them:
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He advised me, “You had better ______ now”.
In each of the questions below, a sentence is given with a blank that indicates that a word is missing. Identify the word that fits in the blank to mak...
The booking was made and the taxi was _______ a few minutes.
Given below are a few sentences with two blanks in each. Below each sentence are given four pair of words among which one pair might fill the blank. If...
As a return, we bear the ………. of the rise in sea level, because of our ……. acts of pollution.
 In the following question a sentence is given with a blank. Choose the most appropriate option to make the sentence contextually and grammatically c...
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