A certain part of the electromagnetic spectrum ranges from 200 nm to 400 nm.What is the highest frequency associated with this portion of the spectrum? (c = 3.00 × 10⁸ m/s) A)1.50 × 10¹⁴ Hz B)7.50 × 10¹³ Hz C)7.50 × 10¹⁴ Hz D)7.50 × 10¹⁵ Hz E)1.50 × 10¹⁵ Hz

Question

Quizplus · Accepted Answer

The highest frequency corresponds to the shortest wavelength, which is 200 nm (or 200 × 10^-9 m). Using the formula frequency (f) = speed of light (c) / wavelength (λ), we get f = 3.00 × 10^8 m/s / 200 × 10^-9 m = 1.50 × 10^15 Hz.

A Certain Part of the Electromagnetic Spectrum Ranges from 200