Aradio station's channel, such as 100.7 fm or 92.3 fm, is actually its frequency in megahertz (mhz), where 1mhz=106hz and 1hz=1s−1. calculate the broadcast wavelength of the radio station 90.90 fm.

a)  λ= 3.27m

b)E = 3.97 × J

c)E= 1.325 ×  J

Explanation:

Write down the values given in the question,

To calculate the broadcast wavelength of radio station,

a)

λ = 3 ×

λ= 3.27m

b)

E = hf

= h × 6 ×  10^{14}

E = 3.97 × 10^{-19} J

c)

E= hc / λ

= h × 3 ×  10^{8} / 15 × 10^{-9}

E= 1.325 × 10^ -17 J

it means there are 3 atoms of oxygen