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80 questions
11
Nuclear Physics
Moderate
+1.0
-0.25
Source of Energy from the Sun is :
12
Nuclear Physics
Moderate
+1.0
-0.25
Consider the following statements : In a nuclear reactor, self-sustained chain reaction is possible, because : 1. More neutrons are released in each of the fission reactions. 2. The neutrons immediately take part in the fission process. 3. The fast neutrons are slowed down by graphite. 4. Every neutron released in the fission reaction initiates further fission. Which of these statements are correct ?
13
Nuclear Physics
Moderate
+1.0
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What is a Nuclear Reactor?
14
Nuclear Physics
Moderate
+1.0
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Which statement is not associated with nuclear fission:
15
Nuclear Physics
Moderate
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Consider the following statements about nuclear fusion reactors: i. They work on the principle of fission of heavy nuclei. ii. They usually have Tokamak design. iii. They operate at very high temperature. Of these
16
Nuclear Physics
Moderate
+1.0
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The difference between nuclear reactor and atom bomb is that:
17
Nuclear Physics
Moderate
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With reference to the radioactivity, which of the following statements is/are correct? 1. Radioactivity is a nuclear property. 2. Hydrogen bomb is prepared on the principle of nuclear fission. Select the correct answer using the codes given below. Codes:
18
Nuclear Physics
Moderate
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With reference to India, consider the following statements: 1. Monazite is a source of rare earths. 2. Monazite contains thorium. 3. Monazite occurs naturally in the entire Indian coastal sands in India. 4. In India, Government bodies only can process or export monazite. Which of the statements given above are correct?
19
Nuclear Physics
Moderate
+1.0
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The important nuclear fuel available in India in abundance is
20
Nuclear Physics
Moderate
+1.0
-0.25
Radioactive element which has been found to have large reserves in India is