2.2 x 10-6m
1.7 x 10-7m
8.0 x 10-7m
6.0 x 10-7m
4.5 x 10-7m
Correct answer is E
\(_an_w = \frac{\lambda_a}{\lambda_w}\)
\(\frac{4}{3} = \frac{\lambda_a}{\lambda}\)
\(\lambda_w = \frac{v}{f}\)
= \(\frac{3.0 \times 10^8}{5.0 \times 10^{14}} = 0.6 \times 10^{-6}\)
\(\lambda_w = \frac{3}{4} \lambda_a = \frac{3}{4} \times 0.6 \times 10^{-6}\)
= 4.5 x 10-7m
The inner diameter of a test tube can be measured accurately using a? ...
The motion of a body is simple harmonic if the ...
An inclined plane which makes an angle of 30o with the horizontal has a velocity ratio of ...
Which of the following is NOT correct? i. the pitch of a sound note depends on the frequency of v...
A body of mass 2kg is released from rest on a plane inclined at an angle of 60° to the hori...
The physical quantity that has the same dimensions as impulse is ...