[انثى مخمليه]

بنااات بليز ماعرفت احل هذي السؤالين من شلبتر 7


1. What is the wavelength (in nanometers) of light having a frequency of 8.6 × 10^13 Hz?
A) 3.5 nm
B) 3.5 × 10^3 nm
C) 3.5 × 10^6 nm
D) 2.9× 10^5 nm


2. What is the frequency (in Hz) of light having a wavelength of 566 nm.
A) 1.89 Hz
B) 5.30 Hz
C) 1.89× 10^6 Hz
D) 5.30 × 10^14 Hz