IDNStudy.com, kung saan nagtatagpo ang mga tanong at sagot. Magtanong ng anumang bagay at makatanggap ng detalyadong sagot mula sa aming komunidad ng mga eksperto.

What is the wavelength of the wave with a frequency of 3 x 10 Hz?
A. 7 x 10-7 m
C. 1 x 10-3 m
B. 1 x 10-11 m
D. 4 x 10-7 m.


Sagot :

Question:

What is the wavelength of the wave with a frequency of 3 x 10 Hz?

Solution:

[tex] \sf{Formula:} \\ \lambda = \frac{c}{f} [/tex]

[tex] \lambda \: = \sf{wavelength \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: } \\ c = \sf{speed \: of \: light \: in \: vacuum} \\ f = \sf{frequency \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: } \\ [/tex]

Evaluate

c= 3.00 × 10⁸ m/s

f= 3 × 10 Hz or 3 × 10 1/s (Hz = 1/s)

[tex] \lambda = \frac{3.00 \times {10}^{8} m/s}{3 \times 10 \: 1/s} [/tex]

[tex] \lambda = \frac{3.00 \times {10}^{8} m/ \cancel{s}}{3 \times 10 \: 1/ \cancel{s}}[/tex]

[tex] \lambda = 10000000m \: or1 \times {10}^{7} m[/tex]