Question
Which material is used as a moderator in a nuclear power
plant that slows down the neutrons and makes them fit for causing fission?Solution
In a nuclear power plant, materials such as graphite  or heavy water (deuterium oxide, D₂O) are used as moderators. These materials slow down the neutrons, making them more likely to cause fission when they interact with nuclear fuel.
A sum of money is divided in the ratio of 5 : 6. If the larger part is 192. Find the smaller part.
...Ratio between two numbers is 3:5 and their difference is 24. Find the sum of the given two numbers.
- If X:Y = 7:3 and Y:Z = 9:4, then find the value of (X:Y:Z).
In a jug, there is a mixture of apple and orange juice in the ratio of 1:3. When 10 liters of Apple juice are added, the ratio of apple to orange juice ...
The cost of diamond varies directly as the square of its weight. A diamond broke into four pieces with weights in the ratio 1 : 3 : 4 : 7. if the loss i...
Find the fourth proportion of (k + 2), (3k + 6) and (5k + 10). (Note: 'k' is the smallest odd prime number.)
Three numbers are in ratio 3:4:7. If the sum of the squares of those three numbers is 666 then find the sum of the three numbers.
There are 850 students in four houses of a school i.e. (red, white, yellow and blue) . Ratio of number of students in red house to that in blue house is...
What is the ratio whose terms differ by 45 and the measure of which is 4/9?
Three Partners Chandra, Shekhar and Azad invested in the ratio of 3/2, 2/3, 4/3 in a business. After 3 months Chandra decreased his capital by 50%. If t...