Question

What is the wavelength of wave shown in given figure?

• A. 0.6 m
• B. 0.3 m
• C. 0.08 m
• D. 4 cm

Answer 1

The correct option is C 0.08 m

As we can see

$20cm=\lambda +\lambda +\frac{\lambda }{2}$

$\Rightarrow \frac{5\lambda }{2}=20cm$
$\Rightarrow \lambda =\frac{40}{5}$

$\Rightarrow \lambda =8cm$ or $0.08m$