Question

Full working out…….2.A vibrating mass-spring system has a frequency of 0.56 Hz. How much energy ofthis vibration is carried away in a one-quantum change?

Answer 1

3.7128 x 10⁻³⁴ J

Step-by-step explanation

The energy carried in a one-quantum change is the product of Planck's constant, h, and the frequency of vibration, f,

`E=hf`

Planck's constant is 6.63 x 10⁻³⁴ J*s and, in this case, the frequency of vibration is 0.56 Hz. So, the energy carried away is,

`E=0.56Hz\cdot6.63\cdot10^(-34)J\cdot s=3.7128\cdot10^(-34)J`

Hence, the energy carried away in a one-quantum change is 3.7128 x 10⁻³⁴ J.