Question Answers

7. Maria invested Rs.8,000 in a business. She would be paid interest at 5% per annum compounded annually. Find: (i) The amount credited against her name at the end of the second year. (ii) The interest for the third year. 000 in a business. She would be paid interest at 5% per annum compounded annually. [...]

6. Arif took a loan of Rs.80,000 from a bank. If the rate of interest is 10% per annum, find the difference in amounts he would be paying after 1 1/2 years if the interest is: (i) compounded annually. (ii) compounded half yearly. 000 from a bank. If the rate of interest is 10% per [...]

5. Vasudevan invested Rs.60,000 at an interest rate of 12% per annum compounded half yearly. What amount would he get: (i) after 6 months? (ii) after 1 year? 000 at an interest rate of 12% per annum compounded half yearly. What amount would he get: (i) after 6 months? (ii) after 1 year? 5. Vasudevan [...]

4. I borrows Rs.12,000 from Jamshed at 6% per annum simple interest for 2 years. Had I borrowed this sum at 6% per annum compound interest, what extra amount would I have to pay? 000 from Jamshed at 6% per annum simple interest for 2 years. Had I borrowed this sum at 6% per annum [...]

3. Fabina borrows Rs.12,500 per annum for 3 years at simple interest and Radha borrows the same amount for the same time period at 10% per annnum, compounded annually. Who pays more interest and by how much? 3. Fabina borrows Rs.12 500 per annum for 3 years at simple interest and Radha borrows the same [...]

Slit 1 of Young’s double-slit experiment is wider than slit 2, so that the light from slits are given as A1 = A0 sin omega t and A2 = 3 A0 sin ( omega t + pie / 3). The resultant amplitude and intensity, Slit 1 of Young's double-slit experiment is wider than slit 2 [...]

The minimum value of d so that there is a dark fringe at O is dmin. For the value of dmin, the distance at which the next bright fringe is formed is x. Then the distance at which the next bright fringe is formed is x. Then The minimum value of d so that there [...]

In Young’s double-slit experiment, two wavelengths of light are used simultaneously where lemda 2 = 2 lemda 1. In the fringe pattern observed on the screen, In Young's double slit experiment two wavelengths of light are used simultaneously where lemda 2 = 2 lemda 1. In the fringe pattern observed on the screen October 11, [...]

In Young’s double-slit experiment, the interference pattern is found to have an intensity ratio between the bright and dark fringes as 9. This implies that In Young's double slit experiment the interference pattern is found to have an intensity ratio between the bright and dark fringes as 9. This implies that October 11, 2020 Category: [...]

A ray of light of wavelength lemda 0 and frequency v0 enters a glass slab of refractive index mu from air. Then A ray of light of wavelength lemda 0 and frequency v0 enters a glass slab of refractive index mu from air. Then October 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]