Which wavelength of light has the highest frequency? a. 16 mm b. 4 nm c. 16 nm d. 4 mm

In a photoelectric effect experiment, blue light shining on a metal surface caused photoelectrons to be emitted but red light did not.  What explains this observation?  A.  Blue light has a higher intensity than red light B.  Blue light has a larger wavelength than red light C.  Blue light has a higher frequency than red light D.  both A and B are true E.  both B and C are true

How many photons of frequency 1.50 x 1014 s-1 are needed to give 30.1 J of energy? A. 9.94 x 10^-20 photons B. 3.03 x 10^20 photons C. 9.94 x 10^20 photons D. 0.450 photons

Calculate the energy of the red light emitted by a neon atom with a wavelength of 465.5 nm a. 4.27 × 10-19 J b. 3.54 × 10-19 J c. 2.83 × 10-19 J d. 2.34 × 10-19 J e. 6.45 × 10-19 J

Which of the following orbitals has the highest number of nodes? a. 4f b. 7s c. 3d d. 5p e. 6p.

A mercury atom emits light at many wavelengths, two of which are at (1) 404.7 nm and (2) 435.8 nm . Both of these transitions are to the same final state. Determine the energy of each emitted wavelength (in J).   a. E1 = 5.908 x 10-19 J and E2 = 5.558 x10-19 J b. E1 = 4.628 x 10-19 J and E2 = 4.968 x10-19 J c. E1 = 7.908 x 10-19 J and E2 = 6.558 x10-19 j d. E1 = 4.908 x 10-19 J and E2 = 4.558 x10-19 J

When element X undergoes a certain transition, the wavelength of the emitted radiation is 1037 nm. A student, however, measures the wavelength  to be 1254 nm. What is the % error of her measurement?   A. 17%   B. 31%   C. 37%   D. 11%   E. 21%

F. A certain light has a wavelength of 475 nm. How long (in s) does it take for this wave to complete one cycle? -15 A: 1.58 × 10

1. Violet light has a wavelength of 4.10 x 1013 m. What is the frequency? 2. Green light has a frequency of 6.01 x 102 Hz. What is the wavelength? 3. Calculate the wavelength of radiation with a frequency of 8.0 x 1015 Hz. 4. What is the wavelength of light with a frequency of 7.66 x 1015 Hz? 5. A helium laser emits light with a wavelength of 643 nm. What is the frequency of the light? ltinlving h

The hydrogen atom can absorb light of wavelength 4055 nm. In what region of the electromagnetic spectrum is this absorption found? A. Visible  B. Ultraviolet  C. X-ray D. Infrared