Question
Which of the following sign (sign) is used in spherical
mirrors and lenses?Solution
The New Cartesian Sign convention is used in spherical mirrors and lenses to determine the signs for distances, focal lengths, and heights in geometric optics.
Find the average of first 7 whole numbers.
If the numerator of a fraction is increased by 300% and the denominator is increase by 600%.The resultant fraction is 1/2. What was the original fraction?
When the digits of a two-digit number are interchanged, the new number becomes 2 more than 200% of the original number. If the sum of the digits is 7, f...
Total of Series of n terms 1 + 1 + 3 + 1 + 3 + 5 + 1 + 3 + 5 + 7 ……………………
The sum of the exponents of the prime factors in the prime factorization of 108 is
Find the least 4-digit number which, when divided by 18, 30, and 45, leaves a remainder of 2 in each case.
180 is divided into two parts in such a way that the fifth part of the first part and the fourth part of the second are in the ratio 4:5. Second part i...
- In an arithmetic progression, the first term is 18, the common difference is 6, and the total number of terms is 48. What is the sum of all the terms in th...
- What is the minimum number that should be added to 850 to make it perfectly divisible by 37?
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