31. In which year was India's first nuclear reactor formally inaugurated by Prime Minister JL Nehru?
32. Which one of the following can be used to confirm whether drinking water contains a gamma emitting isotope or not?
33. Which is the most suitable unit for expressing nuclear radius?
34. Which of the following types of rays do not enter the Earth's atmosphere?
35. Which one of the following pairs is not correctly matched?
36. An electron and a proton starting from rest are accelerated through a potential difference of 1000 V.
Which one of the following statements in this regard is correct?
Which one of the following statements in this regard is correct?
37. A new technology which provides the ability to create an artificial world and have people interact with it is called
38. Source of energy from the Sun is
39. In which year did India conduct its second nuclear test in Pokhran?
40. Nuclear fuel in the sun is-
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