Clicker questions

1. Week 8 - Light
Clicker Q’s
2a. What are the wavelengths for each signal? (4G and 5G respectively)
a. 0.34 cm, 0.012 cm
b. 2.64E11 cm, 7.50E9 cm
c. 34 cm, 1.2 cm
d. 2.64E13 cm, 7.50E11cm
2b. Compare the energy of one mole of photons from each signal (4G and 5G respectively).
a. 5.8E-25 J/mol, 1.6E-23 J/mol
b. 3.5E-1 J/mol, 1.0E1 J/mol
3. What is the energy of the photon of light emitted?
a. -4.58E-19 J
b. +4.58E-19 J
c. -6.54E-19 J
d. +6.54E-19 J
4. What is the wavelength of the neutron?
a. 1.7 nm
b. 1.7E-9 nm