Question
It is a popular misconception that nuclear fusion power
is free of radioactivity; in fact, the deuterium-tritium reaction that nuclear scientists are currently exploring produces both alpha particles and neutrons. Which of the following can be inferred from the above?Solution
The deuterium-tritium reaction is given as an example to prove that the popular misconception that nuclear fusion does not involve radioactivity is wrong. Hence (1) is the correct alternative. Thus, the correct answer is option 1.
Two different positions of the same dice are shown, the six faces of which are numbered 72, 83, 76, 87, 98 and 45. Select the number that will be on the...
- A cube is formed by folding the given sheet. Which of the following pair of numbers do not come opposite to each after a cube is formed?
Four positions of dice are given below. Which letter will be opposite to D?Â
A cube is made by folding the given sheet. In the cube so formed, which of the following pairs of letters will be on the opposite faces?
Two different positions of same dice are shown, the faces of which are marked with letters E, F, G, K, L and S. Select the letter that will be on the fa...
- Two different positions of the same dice are shown, the six faces are lettered as A, B, C, D, E and F. Select the letter that will be on the top if the dic...
- A cube is made by folding the given sheet. What would be the letter on the opposite side of letter “B”?

Four different positions of the same dice are shown. Select the letter that will be on the face opposite to the face having the letter B.
Two different positions of the same dice are shown, the six faces of which are numbered from 1 to 6. Select the number that will be on the face opposite...