Question
In which of the following cases, total Internal
Reflection is not possible?Solution
Condition for Total Internal Reflection (i) Denser to Rarer (ii) Angle of Incidence > Critical Angle
Find the value of 'a' in the given data if the mean of the given data is 12.
8, 10, 15, 14, 9, 13, a, 7, 11, 12
If x varies inversely as (y2 – 1) and is equal to 40 when y = 5 then the value of x and y = 7 is
The difference between a number and its four – seventh is 60. What is the number?
What is the number of divisors of 360?
How many numbers in the range from 300 to 900 are divisible by 7, 14, and 28?
The divisor is 35 times the quotient and 7 times the remainder. If the quotient is 18, the dividend is :
How many Zeros can be formed by multiplying 10×20×30×40×…………….× 3000
A and B have 6 and 7 pieces of bread respectively. They share their food with C, who pays them Rs 42 for the received breads. If each of them has equal ...
Find the total sum of all numbers between 60 and 320 that are divisible by both 12 and 18.
- The ratio of the number of boys to the number of girls who are present in a class is 3:2. The number of girls who are absent is 15, which is 25% of the tot...
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