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The apparent depth will look less that its real depth due to the refraction of light. First of all, imagine an object at the bottom of the pond, emitting three beams of light: one straight to the centre of your eye, one above your eye, and one below. Now, as light travels faster in air than it does in water, it will accelerate as it breaks the surface, at which point it bends away from the 'normal' - the imaginary line perpendicular to the surface. So back to those three beams, the one coming straight at your eye, and as such perfectly vertical, will not bend one way or another as it leaves the water.
Shankar borrowed Rs. 7,200 at simple interest and repaid an amount of Rs. 9,504 after 7 years. If the interest rate p.a charged for first 4 years was 5%...
A total of Rs. 14,500 is divided between two individuals, 'A' and 'B', in the proportion 16:13. If 'B' decides to invest his share in a financial scheme...
A sum of Rs. 3900 is invested at simple interest for 2 years. If the rate interest for first year is 12% p.a. while 20% p.a. for second year, then find ...
Simple interest earned on an amount of Rs. 1000 at rate of R% per annum after 4 years is Rs. 200. Find the simple interest earned on an amount of Rs. 16...
Ayush invested a certain amount at a compound interest rate of 20% per annum, compounded annually, for 2 years and earned Rs. 2,3...
What sum of money must be given at simple interest for 9 months at 5% per annum in order to earn Rs. 360 interest?
A sum of ₹8,500 amounts to ₹11,900 in 5 years at simple interest per annum. If the rate of interest is increased by 3%, then the increased amount fo...
A sum of Rs. 10,000 is invested at a rate of 8% per annum for 3 years. What will be the difference between the compound interest compounded annually and...
The difference of S.I and C.I on an amount of Rs. 20000 for 2 years is Rs. 162. What is the rate of interest?
Naina lent Rs. 9,800 to Mohini for 4 years and Rs. 8,800 to Mitali for 6 years on simple interest at the same rate of interest and received Rs. 11,040 i...
