1.5 x 108m-1
2.0 x 108m-1
3.0 x 108m-1
4.5 x 108m-1
9.0 x 108m-1
Correct answer is B
n = speed in airspeed in glass 1.5 = 3×104speed in glass speed in glass = 2 x 108ms-1
The wavelength of a stationary wave is 36.0cm. What is the distance between a node and the next anti...
The diagram above illustrates a simple barometer. Which distance measures the atmospheric pressure? ...
The diagram given, represents the graph of stress against strain for an elastic wire. The point Q on...
A ray of light is incident on 'a plane mirror at an angle of 20o. This mirror is rotated through, tw...
The unit of inductance is the ...
A football is kicked at an angle of 45° to the horizontal over a defense line up with a velocity...
The heating element in an electric kettle is usually located near the bottom of the kettle because ...
The ability of a wave to spread around corners is called ...
A man standing 2 m from a charcoal fire is warmed mainly by? ...
In a nuclear fusion process, four protons each of mass Mp were fused to produce a nucleus X of mass ...
Quantitative Reasoning Questions and Answers
Numerical Reasoning Questions and Answers
Typing Speed and Accuracy Test
Logical Reasoning Questions and Answers
Situational Judgement Questions and Answers
Personality Test
Spatial Reasoning Questions and Answers
Puzzles Questions and Answers
Abstract Reasoning Questions and Answers
Data Interpretation Questions and Answers
Nigeria General Knowledge Questions and Answers
Verbal Reasoning Questions and Answers
Microsoft Office Questions and Answers
See all →