The speed of light in a certain medium is V while its spe...
The speed of light in a certain medium is V while its speed in a vacuum is C. The absolute refractive index of the medium is
C + V
CV
VC
C - V
Correct answer is B
No explanation has been provided for this answer.
A block of aluminum is heated electrically by a 30 w heater if the temperature rises by 10°c in ...
Which of the following is true for the image formed by a convex mirror? i. the image is always vi...
The linear expansivity of brass is 2 x 10−5 C−1. If the volume of a piece of brass is ...
A charge of 4.6×10−5C is placed in an electric field of intensity \(3.2 × 10^4\...