Some instruments differentiate individual quanta of electromagnetic radiation based on their energies. Assume such an instrument...
Some instruments differentiate individual quanta of electromagnetic radiation based on their energies. Assume such an instrument has been adjusted to detect quanta that have 1.50 ×× 10–16 J of energy. What is the wavelength (nm) of the detected radiation?
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Some instruments differentiate individual quanta of
electromagnetic radiation based on their energies. Assume such an
instrument...
PART A Calculate the energy of a photon of electromagnetic radiation whose frequency is 2.79×1014 s−1...
PART A Calculate the energy of a photon of electromagnetic radiation whose frequency is 2.79×1014 s−1 . Express your answer with the appropriate units. Calculate the energy of a photon of radiation whose wavelength is 429 nm . Part B Express your answer with the appropriate units. Part C What wavelength of radiation has photons of energy 6.19×10−19 J ? Express your answer with the appropriate units.
Electromagnetic Waves UV Radiation Some of us are all too familiar with the ill- effects of...
Electromagnetic Waves UV Radiation Some of us are all too familiar with the ill- effects of over-exposure to ultraviolet (UV) electromagnetic radiation, namely, sunburns (solar erythema). UV radiation can kill the skin cells immediately below the surface (part of the epidermal layer). Over the course of several minutes or several hours, as enough skin cells are killed or damaged, the body's natural immune response is triggered. The body responds to the damage with increased blood flow to the capillary bed of...
001 10.0 points A quantum of electromagnetic radiation has an energy of 1.68 keV. What is...
001 10.0 points A quantum of electromagnetic radiation has an energy of 1.68 keV. What is its wavelength? The speed of light is 2.99792 x 10* m/s, and Planck's constant is 6.62607 x 10 4 J.s Answer in units of nm.
P41.4.2 The energy of a photon of electromagnetic radiation is 6.8*10-15 J. What is the (5.00)...
P41.4.2 The energy of a photon of electromagnetic radiation is 6.8*10-15 J. What is the (5.00) frequency of the radiation? (0/5 submissions used) Hz Save P41.4.2 Submit P41.4.2 Section 11: Energy levels, photons and spectral lines P41.11.1 Using the Bohr model, find the wavelength in nanometers of the radiation (5.00) emitted by a hydrogen atom, when it makes a transition from the n = 9 state to the n= 1 state. (0/5 submissions used) nm Save P41.11.1 Submit P41.11.1
.033 and 8.98928 are not the answer 001 10.0 points A quantum of electromagnetic radiation has...
.033 and 8.98928 are not the answer
001 10.0 points A quantum of electromagnetic radiation has an energy of 1.38 keV. What is its wavelength? The speed of light is 2.99792 x 108 m/s, and Planck's constant is 6.62607 x 10-34 J·s. Answer in units of nm.
33.2 The electromagnetic radiation emitted from the Sun is most intense at around 502 nm. (a)...
33.2 The electromagnetic radiation emitted from the Sun is most intense at around 502 nm. (a) What is the energy per photon (in J) for light of this wave- length? (b) What is the energy per photon in electron volts? (c) What is the momentum per photon? (d) How fast would an electron (melectron 9.1 x 1031 kg) need to be traveling to have the same momentum as this photon? (e) What would the de Broglie wavelength of such an...
05 Question (4 points) When a hydrogen atom absorbs a photon of electromagnetic radiation (EMR), the...
05 Question (4 points) When a hydrogen atom absorbs a photon of electromagnetic radiation (EMR), the internal energy of the atom increases and one or more electrons may be energized into an excited state. The release of this extra energy as the excited state electron transitions back to a lower energy state results in the emission of a photon. These energy changes are responsible for the emission spectrum of hydrogen (shown below) and are described by the Bohr equation. AE...
Electromagnetic radiation behaves both as particles (called photons) and as waves Wavelength (lambda)j and frequency (nu)...
Electromagnetic radiation behaves both as particles (called photons) and as waves Wavelength (lambda)j and frequency (nu) are related according to the equation c = lambda Times nu where c is the speed of light (3.00 Times 10^8 m/s). The energy (E in joules) contained in one quantum of electromagnetic radiation is described by the equation E = h Times nu where h it Planck's constant (6.626 Times 10^-34 J s) Note that frequency has units of inverse seconds (s^-1), which...
Electromagnetic Wave Questions 2. Our sun has a power output of roughly 3.87 1026 watts (W)....
Electromagnetic Wave Questions
2. Our sun has a power output of roughly 3.87 1026 watts (W). This energy is transmitted essentially uniformly in all directions. By the time this radiation reaches the Earth, which has an average distance from the sun of 1.50 x 10" m, what is the intensity? (Recall that intensity is defined to be power per unit area). 3. The energy from the sun is primarily in the infrared and visual wavelengths. The following table gives the...
Need all answers 19. Calculate the wavelength, in nm, of an electromagnetic radiation with a frequency...
Need all answers
19. Calculate the wavelength, in nm, of an electromagnetic radiation with a frequency 835.6 MHz (common frequeney used for cell phone communication). (c 3.0 x 10* m/s, h-6.6262 x 103 J.s). 1Pt.) 20. A laser pulse with wavelength 532 nm contains 4.67 mJ of energy. How many photons are in the laser pulse? (c 3.0 x 108 m/s, h 6.6262 x 103* J.s). Ans.: 21. An electron in the n 7 level of the hydrogen atom relaxes...
001 10.0 points A quantum of electromagnetic radiation has an energy of 1.68 keV. What is its wavelength? The speed of light is 2.99792 x 10* m/s, and Planck's constant is 6.62607 x 10 4 J.s Answer in units of nm.
P41.4.2 The energy of a photon of electromagnetic radiation is 6.8*10-15 J. What is the (5.00) frequency of the radiation? (0/5 submissions used) Hz Save P41.4.2 Submit P41.4.2 Section 11: Energy levels, photons and spectral lines P41.11.1 Using the Bohr model, find the wavelength in nanometers of the radiation (5.00) emitted by a hydrogen atom, when it makes a transition from the n = 9 state to the n= 1 state. (0/5 submissions used) nm Save P41.11.1 Submit P41.11.1
.033 and 8.98928 are not the answer
001 10.0 points A quantum of electromagnetic radiation has an energy of 1.38 keV. What is its wavelength? The speed of light is 2.99792 x 108 m/s, and Planck's constant is 6.62607 x 10-34 J·s. Answer in units of nm.
33.2 The electromagnetic radiation emitted from the Sun is most intense at around 502 nm. (a) What is the energy per photon (in J) for light of this wave- length? (b) What is the energy per photon in electron volts? (c) What is the momentum per photon? (d) How fast would an electron (melectron 9.1 x 1031 kg) need to be traveling to have the same momentum as this photon? (e) What would the de Broglie wavelength of such an...
05 Question (4 points) When a hydrogen atom absorbs a photon of electromagnetic radiation (EMR), the internal energy of the atom increases and one or more electrons may be energized into an excited state. The release of this extra energy as the excited state electron transitions back to a lower energy state results in the emission of a photon. These energy changes are responsible for the emission spectrum of hydrogen (shown below) and are described by the Bohr equation. AE...
Electromagnetic radiation behaves both as particles (called photons) and as waves Wavelength (lambda)j and frequency (nu) are related according to the equation c = lambda Times nu where c is the speed of light (3.00 Times 10^8 m/s). The energy (E in joules) contained in one quantum of electromagnetic radiation is described by the equation E = h Times nu where h it Planck's constant (6.626 Times 10^-34 J s) Note that frequency has units of inverse seconds (s^-1), which...
Electromagnetic Wave Questions
2. Our sun has a power output of roughly 3.87 1026 watts (W). This energy is transmitted essentially uniformly in all directions. By the time this radiation reaches the Earth, which has an average distance from the sun of 1.50 x 10" m, what is the intensity? (Recall that intensity is defined to be power per unit area). 3. The energy from the sun is primarily in the infrared and visual wavelengths. The following table gives the...
Need all answers
19. Calculate the wavelength, in nm, of an electromagnetic radiation with a frequency 835.6 MHz (common frequeney used for cell phone communication). (c 3.0 x 10* m/s, h-6.6262 x 103 J.s). 1Pt.) 20. A laser pulse with wavelength 532 nm contains 4.67 mJ of energy. How many photons are in the laser pulse? (c 3.0 x 108 m/s, h 6.6262 x 103* J.s). Ans.: 21. An electron in the n 7 level of the hydrogen atom relaxes...
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