Consider the wave equation y = 5mm sin [1cm\(^{-1}\)x - 6...
Consider the wave equation y = 5mm sin [1cm\(^{-1}\)x - 60s\(^{-1}\)t]. The wave number is?
0.1 cm\(^{-1}\)
10cm\(^{-1}\)
1.0cm\(^{-1}\)
2cm\(^{-1}\)
Correct answer is C
The angular wave number k = \(\frac{2π}{λ}\) expresses the number of radians in a unit of distance.
Which of the following statements is NOT true of the image in a plane mirror? The image is ...
A cell of internal resistance 2 π supplies current to a 6 π resistor. The efficiency of the ce...
Which of the following concept is not an evidence of the particle nature of matter? ...