What is the wavelength or photon a having a frequency 6.25 times 10^14 Hz? (c =

Question

What is the wavelength or photon a having a frequency 6.25 times 10^14 Hz? (c = 3.00 times 10^8 m/s, h = 6.63 times 10^-34 J middot s) 2.25 times 10^2 nm 2.95 times 10^-31 nm 444 nm 4.48 times 10 -10 nm 0.134 mm A photon of blue light has a frequency and a wavelength than a photon of red light. higher, longer lower, shorter higher, shorter lower, lower lower, longer Which type of electromagnetic radiation has the highest energy? red light gamma rays X rays blue light radio waves What is the wavelength of light emitted when the electron in a hydrogen atom undergoes a transition n = 9 to level n = 4? (c = 3.00 times 10^8 m/s, h = 6.63 times 10 J middot s, R_H = 2.179 times 10^-18 J) 1.09 times 10^-19 m 3.64 times 10^-28 m 1.65 times 10^17 m 2 times 10^-6 m 5.49 times 10^5 m The angular momentum quantum number is best associated with the number of orbitals in a subshell. orientation in space of an orbital. shape of the orbital. energy of the orbital. none of the above

Explanation / Answer

1)

hf = hc/w where w is the wavelength

w = c/f = 3*108 / 6.75*1014 = 4.444*10-7 m = 444 nm Answer

2)

(c) higher and shorter   Answer

blue light has higher frequency and shorter wavelength than red light, wavelength and frequency are inversely proportional

3)

gamma rays have more energy among all electromagnetic radiations

(b) gamma rays Answer

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