What is the energy of an electromagnetic wave that has a wavelength of 9.0 x 10⁻⁶ m? Use the equation E hc where hc = 1.99 × 10⁻²⁵ Jm;
A. 1.8 × 10⁻³⁰J
B. 2.2 × 10⁻²⁰J
C. 4.5 × 10¹⁹J
D. 1.1 × 10⁻²⁴J

Q&A Education