Question

4.. Some streets lamps emit only yellow light. At night when illuminated by a street light emitting yellow light, what color does a blue car appear?

Group of answer choices

a. black

b. blue

c. green

d. colorless

5... The energy required to promote an electron from the n = 1 to the n = 6 shell in a hydrogen atom is 2.12 x 10^–18 J. A photon of this energy has what wavelength in meters?

Group of answer choices

9.39 m

1.07 x 10 ^7 m

9.39 x 10 ^ -8 m

Answer 1

4 as we all know yellow - blue = option & is the ul green sigt answer. EF 2.12 x 10-18 J = ? E= held = 6.625x 10-34 88x3x100 mg 2.12 10-10 a = 9.39 x 10-om.