Question
What is the phenomenon of the bending of light as it
passes from one medium to another called? ÂSolution
Refraction is the bending of light as it passes from one medium into another with a different optical density.  This occurs due to the change in the speed of light when it enters a new medium.  The amount of bending depends on the angle of incidence and the refractive indices of the two media.
Sum of squares of three consecutive numbers is 677. Find the sum of first and third number.
Rs 720 is to be divided among P, Q and R so that P gets 3/5 of Q’s share and R gets 1/3 of P’s share. Share of R is:
The sum of a positive number 'A' and its square is 72. Find the value of (A2 - 7A).
If 94*6714 is divisible by 11, where * is a digit, then * is equal to
How many unique five-digit numbers can be created using the digits 0, 1, 5, 6, 7, and 8, without repeating any digit?
What is the unit digit of (217)413 × (819)547 × (414)624 × (342)812?
Find the third proportion of 22 and 11.
Which of the following pairs is NOT coprime?
Which of the following is a Prime Number?
- When a number is divided by 63, it leaves a remainder of 34. What would be the remainder when this number is divided by 9?