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 example to prove that the popular misconception that nuclear fusion does not involve radioactivity is wrong. Hence (2) is the correct alternative. (1) and (3) contradict the passage .(4) cannot be inferred from the passage.
An 84-litre mixture contains 75% milk. If 'x' litres of water are added to this mixture, the quantity of milk in the resulting mixture becomes 27 litres...
- The ratio of milk and water in a mixture is 4:3 respectively. When 8 litres of milk and 10 litres of water are added to the mixture, the ratio becomes 6:5 ...
Quantity of milk is 10% more than that of water in 210 litres mixture. On adding (n - 5) litres water and (n + 5) litres milk, the new ratio becomes 11:...
In a 448 ml mixture, the ratio of copper to gold is 9:5. When 'a + 12' ml of copper and 'a - 10' ml of gold are added to this mixture, the ratio of copp...
- A solution has milk and water in the proportion 3:2. After removing 20 ml of this solution and adding 10 ml milk, the ratio becomes 4:1. Find the total vol...
- Two mixtures (milk and water) 'A' and 'B' contain milk and water in the ratio 2:3 and 1:2 respectively. If 30 ml from 'A' and 36 ml from 'B' are mixed, fin...
- A milk seller has a 50-litre mixture of milk and water, where water makes up 40% of the total volume. He wants to adjust the mixture so that the amounts of...
A container contains Alcohol and water in ratio of 7:3 and Capacity of Container is 80 lit. If half of the Container is replaced with 13 lit of water th...
Fresh watermelon contains 60% water. Dry watermelon contains 30% water. From 1 Quintals fresh Watermelon, approximately how many kgs of Dry Watermelon c...
In a mixture of juice & water, 60 litres water is mixed due to which ratio changes from 3:4 to 1:2. Find initial quantity of mixture. (in lit...