Question
What is the wavelength range of the visible
spectrum?Solution
The visible spectrum encompasses wavelengths from about 3900 Å to 7600 Å. This range includes all the colors perceivable by the human eye, from violet at the shorter wavelengths to red at the longer wavelengths.
The average weight of 28 students in a class is 40 kg while the average weight of 5 teachers who teach them is 58 kg. 10 students and 1 teacher go for a...
The average weight of 8 students in a class is 35 kg. If the weight of 4 teachers is also included, then the new average weight of each person (teacher ...
The average score of 28 players in a team is 73. After two new players with scores (x + 8) and (x - 6) joined, the average score decreased by 2 points. ...
In a warehouse, there are 200 washing machines and 300 microwaves. The average price of a washing machine is Rs. 15,000 while the average price of a mic...
- The average age of a group of employees is 45 years. When a new employee aged 60 joins, the average increases by 1 year. Find the total age of the group be...
A box contains 16 packets of rice with an average weight of 2.5 kg. If x new packets are added with an average weight of 3.2 kg, the new average becomes...
Each question contains a statement followed by Quantity I and II. Read the information clearly and answer your questions accordingly.
Quanti...
The average of a set of 's' numbers is 45. If 180 is added to the set, then the average of the set becomes 45.2. Find the value of '4 X (s - 18)'.
- In a community park, the ratio of the number of benches, swings, and slides is 4:3:2, respectively, and the average number of these items is 60. What is th...
If average of first 5 numbers is (n – 46) and the sum of remaining number is 1850. Find the value of ‘n’, if the average of 20 numbers is ‘n’....
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