Which of the following are true about moderator used in nuclear reactors? (A) Moderators slow down neutrons to sustain the chain reaction (B) Moderators stops the neutrons to control chain reaction (C) Without moderator chain reaction would stop (D) Example of moderator is Graphite Rod Choose the correct answer from the options given below:
The temperature at which the vapour pressure of a liquid becomes equal to atmospheric pressure is called ताप जिस पर किसी द्रव का वाष्पदाब वायुमंंडलीय दाब के बराबर हो जाता है, कहा जाता है।
A sum of money earn a simple interest at 7.5% per annum for the first 6 years, at 9% for the next 6 years, and at 6% for the final 6 years. If the total interest earned during these 18 years was `33,075 ,then what was the original sum invested (in`)?
निम्न में से किस धातु की विद्युत चालकता सबसे अधिक है?
An object is placed at the center of curvature of a concave mirror. Where will its reflection occur:
If Maize requires about 8 cm of water after every 20 days, and the base period for maize is 120 days, then what is the value of delta for maize
राष्ट्रीय कवि, मैथिलीशरण गुप्त का जन्म उत्तर प्रदेश के ........ में हुआ था।
अमिताभ विजयवर्गीय किस खेल से संबंधित हैं?
Which of the following Acts ended the rule of the British East India Company in India and India under the crown of the England.
भौतिक मात्रा ‘प्रेरकत्व’ की इकाई क्या है?
Explanations:
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