If the number on an FM radio dial reads 99.5 MHz, what is the wavelength of this signal?

a.

2.23 m

c.

3.02 m

b.

3.23 m

d.

2.03 m

Question

Frey

Physics

3 March, 05:43

If the number on an FM radio dial reads 99.5 MHz, what is the wavelength of this signal?

a.

2.23 m

c.

3.02 m

b.

3.23 m

d.

2.03 m

+2

Answers (1)

Know the Answer?

Aniya Brandt · Answer 1

1 MHz - - - 1 000 000 Hz

99.5 MHz - - - x

x = 99 500 000 Hz = 99,5x10^6 Hz

v = λ. f

c = λ. f

3x10^8 = λ. 99,5x10^6

λ = 3x10^8 / 99,5x10^6

λ ≈ 0,0302x10^2

λ ≈ 3,02 m

i think is the letter (B), isn't it?

If the number on an FM radio dial reads 99.5 MHz, what is the wavelength of this signal?a.2.23 mc.3.02 mb.3.23 md.2.03 m

If the number on an FM radio dial reads 99.5 MHz, what is the wavelength of this signal?

a.

2.23 m

c.

3.02 m

b.

3.23 m

d.

2.03 m