Question
The absolute value of the charge on electron was
determined by-Solution
Robert Andrews Millikan was an American experimental physicist honored with the Nobel Prize for Physics in 1923 for the measurement of the elementary electric charge and for his work on the photoelectric effect. Millikan graduated from Oberlin College in 1891 and obtained his doctorate at Columbia University in 1895.
The population of a college grows by 25% annually. In 2019, the population was 24,000. By 2021, the ratio of boys to girls in the college is 7:8. What i...
Meenu spent 10% of the salary on entertainment and 20% on makeup. She spent 20% of the remaining on the food and 50% of the remaining invested in mutual...
In a hospital, the ratio of nurses to doctors is 5:2. 30% of nurses and 40% of doctors are working in the emergency department, and 20% of the remaining...
- L is 50% less than M and N is 45% more than O. If O is 22% more than L, then which of the following is true?
Sahil spent 10% of his monthly income on education, 20% on entertainment, 15% on rent, 40% on travelling and the rest on food. If the difference between...
- If a water bill is paid before the due date, a 12% discount is offered. A person paid the bill on time but received only 9% discount, and hence paid Rs. 15...
Arvind sold 40% more apples than Vishnu. Ratio of number of apples sold by Vishnu to number of apples sold by Bishwa is 4:7. Find the number of apples s...
- The sum of two numbers, x and y, is 640. If x is reduced by 8% and y is raised by 12%, the two values become equal. Determine the value of y.
Suresh spent 25% of his monthly salary on rent, 50% of his remaining salary on food and clothes, and saved the rest. If he saved Rs. 9,000 and the amoun...
A product, coffee beans, was marked up by 40% above the cost price and sold at a discount of ____%. The profit earned by the retailer is ____%. The valu...
