31. Which of the following is the oldest Nuclear research reactor of India?
32. Radioactivity is measured by
33. In which year was Einstein's "Theory of Special Relativity" first proposed?
34. Cyclotrons are used to accelerate
35. Which of the following elements is not suitable for the fabrication of a light emitting diode structure?
36. When a vehicle passes, TV reception gets distorted. This is because
37. Name the process of production of energy in the sun
38. In a nuclear reactor what does the controller rod (the rod of cadmium) work?
39. Who is known as the 'Father of Nuclear Physics'?
40. The energy emitted by the sun is due to
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