21. Which of the following is used as a fuel in nuclear reactors?
22. Davisson and Germer experiment proved the
23. Which of the following is a research reactor for atomic research in Kalpakkam?
24. In 1998, nuclear explosive devices were tested at . . . . . . . . in India.
25. The reason for the formation of plasma in stars is:
26. Nuclear fusion reactions occur spontaneously in the . . . . . . . .
27. Consider the following statements.
1. According to de-Broglie hypothesis particle have wave like characteristics.
2. When an electron and proton have the same de-Brogile wavelength, they will have equal momentum.
Which of the statement(s) given above is/are correct?
1. According to de-Broglie hypothesis particle have wave like characteristics.
2. When an electron and proton have the same de-Brogile wavelength, they will have equal momentum.
Which of the statement(s) given above is/are correct?
28. Half-life is measured by
29. Consider the following organizations.
1. Atomic Minerals Directorate for Research and Exploration
2. Heavy Water Board
3. Indian Rare Earths Limited
4. Uranium Corporation of India
Which of these is/are under the Department of Atomic Energy?
1. Atomic Minerals Directorate for Research and Exploration
2. Heavy Water Board
3. Indian Rare Earths Limited
4. Uranium Corporation of India
Which of these is/are under the Department of Atomic Energy?
30. How many neutrons are in a hydrogen atom?
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