Question

What is the energy associated with a microwave having a frequency of `7.5 * 10^10` `s^-1`?

Answer 1

Use the Planck-Einstein relation: `E` `=` `hnu`, where `h` is Planck's constant.

Explanation:

So `E` `=` `6.626xx10^(-34)J*cancel(s)xx7.5xx10^(10)cancel(s^-1)` `=` `??` `J`?