Question
Given below are wo statements, one is labelled as
Assertion A and the other is labelled as Reason R Assertion A: The probe of a neutron moisture meter is inserted into an access tube fixed vertically in the soil Reason R: The probe of a neutron moisture meter contains a source of fast protons and a detector fo slow electrons and helps in estimating soil moisture content In light of the above statements, choose the most appropriate answer from the options given belowSolution
The probe typically contains a source of neutrons (not fast protons) and a detector to measure the scattering or absorption of these neutrons by the soil. The measurement of neutron radiation helps in estimating the soil moisture content.Â
- The average of series 'S2', which consists of 6 consecutive even numbers, is 29. The second term of series 'T2', which consists of 5 consecutive odd number...
The average salary of 400 employees were found to be Rs. 250. Later on, it was discovered that the wages of two workers were misread as 260 and 140 inst...
Neha spends an average of Rs. 480 on Sundays and Rs. 360 on the remaining days. Find her average spending in a 30-day month starting with Sunday.
Fifteen movie theatres average 600 customers per theatre per day. If six of the theatres close down but the total theatre attendance stays the same, the...
Average age of company A is 26 years and average age of both companies A and B is 12 years. If the ratio of number of employees in company A and B is 2:...
Rohit contributed 96 runs, which was 60% of his team’s total score. If the team got 12 runs as extras, how many runs were made by the rest of the play...
The batting average of 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest by 172 runs. If the two are excluded, the average...
- There are three numbers 'u', 'v' and 'w' such that average of 'u' and 'v' is 26, average of 'v' and 'w' is 14 and average of 'u' and 'w' is 20. Find the av...
The average of two consecutive even numbers is 73. If the smaller number is increased by 40% and the larger number is decreased by 40%, then find the di...
The average weight of 7 men decreases by 3 kg when one of them weighing 150 kg is replaced by another person. Find the weight of the new person
Relevant for Exams:
