due october 24 2016

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?

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?

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

19.) Use chemical symbols and numbers to identify the following isotopes:

(a) Potassium−39 :

(b) Neon−22 :

(c) Tungsten−184 :

(d) Iodine−127