Question
The refractive index of glass is 1.5. What is the speed
of light in glass? Speed of light in vacuum is 3.0 x 108 m/s.Solution
Refractive index of glass is given as, µ = 1.5 Speed of light, c = 3.0 x 108 m/s Speed of light in glass is given by the formula, v = c/µ => v = 3 x 108/1.5 = 2 x 108 m/s
Find the wrong number in the given number series.
7, 38, 63, 116, 171, 242
147 490 707 831 895 922 930
...13 74 355 1416 4245
126, 295, 520, 807, 1170, 1611
Find the wrong number in the given number series.
21, 31, 11, 41, 1, 6160, 63, 71, 86, 125, 145
Find the wrong number in the given number series.
25, 38, 53, 74, 97, 126
125, 142, 199, 320, 489, 778
- Find the wrong number in the given number series.
2, 6, 14, 30, 62, 126 Find the wrong number in the given number series.
134, 163, 194, 231, 274, 315