kay4Njamadymorger kay4Njamadymorger

23-01-2017
Physics

contestada

The ultraviolet light that causes suntans (and sunburns!) has a typical wavelength of 300 nm. what is the frequency of these rays?

Respuesta :

scme1702 scme1702

31-01-2017

Using the formula:
v = fλ, where v is the speed of the wave, f is its frequency and λ is its wavelength.
The speed of ultraviolet light is equal to that of light. Therefore:
f = v/λ
f = 3 x 10⁸ / 300 x 10⁻⁹
f = 1 x 10¹⁵ Herz

Answer Link

Otras preguntas

How do you find the domain of functions, I’d just like someone to explain it, that’s where I get lost, 30 points btw

Mr. And Ms. Wakani have a number of children. If 0.625 of the family are female, find the smallest number of children that could be in the Wakani family.

let f(x)=3x-8 and g(x)= x+6. Find f(g(x)) and g(f(x))

If the diameter of a circle is 3, the circumference of the circle is

Gregory sees an $80.00 jacket on sale at 30% off. How much will it cost after a 7% sales tax is applied? $56.00 $59.92 $64.00 $67.43

at a blood alcohol concentration of 0.3 what might someone expirence

Sporting Equipment, Inc. makes two types of balls: Soccer balls and Cork balls. The making of each soccer ball and cork ball requires 3 hours and 4 hours of pro

Irony can be seen in which of the following lines? (Mark all that apply.)a. FAUSTUS. I charge thee wait upon me whilst I live, / To do whatever Faustus shall co

solve using the quadratic frmula 2x^2-5x=3

Which best describes this quadrilateral? O All angles have the same measure. o Opposite sides are parallel. O All sides are the same length. . Only one pair of