What is the energy of a photon of violet light with a frequency of 7.35 × 1014 Hz? ___ x 10 ^___J

What is the energy of a photon of violet light with a frequency of 7.35 × 1014 Hz?
___ x 10 ^___J
2.) How much greater is the energy of a photon of ultraviolet radiation (λ = 3.00 × 10−7 m) than the energy of a photon of sunlight (λ = 5.60 × 10−7 m)?
___ x 10^J
1.) (Has two parts) A light wave has a frequency of 7.57 × 1014 cycles per second.
(a) What is the wavelength?
____ × 10^___ m
(b) According to the table below, what color would you observe?
Color
wavelength (in 10−7 m)
Red
6.25 − 7.90
Orange
6.00 − 6.24
Yellow
5.77 − 5.99
Green
4.92 − 5.76
Blue
4.55 − 4.91
Violet
3.90 − 4.54
4.) At a particular location and time, sunlight is measured on a 1 m^2 solar collector with a power of 1,213.0 W. If the peak intensity of this sunlight has a wavelength of 5.58 × 10^−7 m, how many photons are arriving each second?
___ × 10 ^____ photon/s
5.) What is the energy of a gamma photon of frequency 7.13 × 1020 Hz? __ × 10^___ J
6.) At a particular location and time, sunlight is measure on a 1.00 square meter solar collector with an intensity of 1,210.0 W/m2. If the peak intensity of this sunlight has a wavelength of 5.60 × 10−7 m, how many photons are arriving each second?
____ × 10 ____ photon/s
7.) What is the energy of a photon of wavelength 9.73 mm? ___× 10^__ J
8.) To the nearest hundredth of a minute, how many minutes are required for a radio signal to travel from the Earth to a space station on Jupiter if the planet Jupiter is 5.9 × 108 km from the Earth? ___min
9.) To the nearest hundredth of a second, how much time is required for reflected sunlight to travel from the Moon to the Earth if the distance between the Earth and the Moon is 3.91 × 105 km?__ s
10.) (has two parts) What is the speed of light when traveling through
(a) water = ___× 10 m/s
and (b) ice? __× 10 m/s
11.) What is the frequency of light with a wavelength of 8.20 × 10−7 m? __ × 10^__ Hz
12.) What is the energy of a photon of ultraviolet radiation with a wavelength of 1.52 × 10−7 m? ___ × 10^__J
13.) Light passes through a transparent substance at a speed of 2.256 × 108 m/s.
Based on the following table, what is the material?
Substance
index of refraction (n = c/v)
Diamond
2.42
Ice
1.31
Water
1.33
Ethyl alcohol
1.36
14.) At a particular location and time, sunlight is measured on a 1.00 square meter solar collector with an intensity of 1,178.0 W/m2. If the peak intensity of this sunlight has a wavelength of 5.60 × 10−7 m, how many photons are arriving each second?
__ × 10^__ photon/s
15.) A neutron with mass 1.68 × 10−27 kg moves from a nuclear reactor with a velocity of 9.51 × 103 m/s. What is the deBroglie wavelength of the neutron? __ × 10^__ m
16.) If the charge-to-mass ratio of a proton is 9.58 × 107 coulomb/kilogram and the charge is 1.60 × 10−19 coulomb, what is the mass of the proton? __× 10^__ kg
17.) How much energy is required to completely remove the electron from a hydrogen atom in the ground state? E = __ eV
18.) (has two parts use picture below to answer this question) Referring to the figure below, how much energy is needed to move an electron in a hydrogen atom from n = 5 to n = 6? Give the answer in
(a) in joules and __ × 10 ^__ J (b) in eV ___ eV
5
19.) Use chemical symbols and numbers to identify the following isotopes:
(a) Potassium−39 :
(b) Neon−22 :
(c) Tungsten−184 :
(d) Iodine−127

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