A 10. W laser (where W=Watt, a unit of power. 1 W = 1 J/s) produces...
A 10. W laser (where W=Watt, a unit of power. 1 W = 1 J/s)
produces a beam of green light with a
wavelength of 520. nm. Calculate the number of moles of photons
emitted by this laser in 1.0 minute.
Homework Answers
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A 10. W laser (where W=Watt, a unit of power. 1 W = 1 J/s)
produces...
The power output of a laser is measured by its wattage, the number of joules of energy it radiate...
The power output of a laser is measured by its wattage, the number of joules of energy it radiates per second (1 W-1Js-1). A520.-mW argon laser produces a beam of blue-green light with a wavelength of 501.7 nm (5.017x10 m (a) Calculate the energy carried by each photon. (b) Calculate the number of photons emitted by the laser per second. J per photorn photons per second
The power output of a laser is measured by its wattage, the number of...
A watt is a unit of energy per unit time, and one watt (W) is equal...
A watt is a unit of energy per unit time, and one watt (W) is equal to one joule per second (1 J s). A 80.0- W incandescent light bulb produces about 4.00% of its energy as visible light. Assuming that the light has an average wavelength of 510.0 nm, calculate how many such photons are emitted per second by a 80.0-W incandescent light bulb Number 1.03 x 1019 photons/s
One watt (W) is equal to 1 J/s. Assume that 5.0% of the energy output of...
One watt (W) is equal to 1 J/s. Assume that 5.0% of the energy output of a 75 watt light bulb is visible light and that the average wavelength of the light is 550 nm, how many photons per second are emitted by the light bulb? If 5.0% of the energy of a 75 watt light bulb is visible light, then the rate of energy of all the photons emitted is J/s (3 s.f.). A 550 nm wavelength is the...
Part A A 100-watt light bulb radiates energy at a rate of 100 J/s. (The watt,...
Part A A 100-watt light bulb radiates energy at a rate of 100 J/s. (The watt, a unit of power or energy over time, is defined as 1 J/s.) If all of the light emitted has a wavelength of 525 nm, how many photons are emitted per second? Express your answer to three significant figures. X 10 radiation- photons per second Submit Previous Answers Request Answer X Incorrect: Try Again; 12 attempts remaining Part B The energy required to dislodge...
dn. Feedback Resume Attempt 1 O30 X-rays with an initial wavelength of 0.0533 nm scatter at...
dn. Feedback Resume Attempt 1 O30 X-rays with an initial wavelength of 0.0533 nm scatter at an angle of 82.1° from the loosely bound electrons of a target material. What is the wavelength of the scattered radiation? nm wavelength: .0535 Resume Attempt 5 A watt is a unit of energy per unit time, and one watt (W) is equal to one joule per second (J-s). A 40.0 W incandescent lightbulb produces about 8.00 % of its energy as visible light....
A particular green laser pointer emits light with a wavelength of 532 nm , and it...
A particular green laser pointer emits light with a wavelength of 532 nm , and it is advertised as having a power of 6 mW . 1. What is the energy of a single photon in this laser beam? 2.How many photons are emitted by this laser in 1 second?
A particular green laser pointer emits light with a wavelength of 532 nm , and it...
A particular green laser pointer emits light with a wavelength of 532 nm , and it is advertised as having a power of 3 mW . Part A: What is the energy of a single photon in this laser beam? Part B: How many photons are emitted by this laser in 1 second?
Calculate the energy emitted per mole of photons (kJ/mol), by a neon sign with a frequency...
Calculate the energy emitted per mole of photons (kJ/mol), by a neon sign with a frequency of 4.89 x 10" Hz. 2. A heat lamp produces 25.5 watts of power at a wavelength of 6.50 um. How many photons are emitted per second? (1 watt - 1 J/s) An electron in a hydrogen atom relaxes to the n-2 level emitting light of wavelength 410.2 nm. What is the value of n for the level where the electron originated? Hint: Use...
You have two lasers one red and one blue. Each laser has a power of 5...
You have two lasers one red and one blue. Each laser has a power of 5 mW (milliWatts). The red laser produces light at 700 nm. The blue laser produces light at 400 nm. (A) Calculate the energy per photon emitted by each laser. Which color photon has higher energy? (B) How many photons are emitted per second by each laser? Which laser produces more photons per unit time? (C) You shine both lasers at a surface of calcium which...
A helium-neon laser emits light of wavelength 632.8 nm and has a power output of 2.0...
A helium-neon laser emits light of wavelength 632.8 nm and has a power output of 2.0 mW. How many photons are emitted per second by this laser? ________ photons/s
The power output of a laser is measured by its wattage, the number of joules of energy it radiates per second (1 W-1Js-1). A520.-mW argon laser produces a beam of blue-green light with a wavelength of 501.7 nm (5.017x10 m (a) Calculate the energy carried by each photon. (b) Calculate the number of photons emitted by the laser per second. J per photorn photons per second
The power output of a laser is measured by its wattage, the number of...
A watt is a unit of energy per unit time, and one watt (W) is equal to one joule per second (1 J s). A 80.0- W incandescent light bulb produces about 4.00% of its energy as visible light. Assuming that the light has an average wavelength of 510.0 nm, calculate how many such photons are emitted per second by a 80.0-W incandescent light bulb Number 1.03 x 1019 photons/s
One watt (W) is equal to 1 J/s. Assume that 5.0% of the energy output of a 75 watt light bulb is visible light and that the average wavelength of the light is 550 nm, how many photons per second are emitted by the light bulb? If 5.0% of the energy of a 75 watt light bulb is visible light, then the rate of energy of all the photons emitted is J/s (3 s.f.). A 550 nm wavelength is the...
Part A A 100-watt light bulb radiates energy at a rate of 100 J/s. (The watt, a unit of power or energy over time, is defined as 1 J/s.) If all of the light emitted has a wavelength of 525 nm, how many photons are emitted per second? Express your answer to three significant figures. X 10 radiation- photons per second Submit Previous Answers Request Answer X Incorrect: Try Again; 12 attempts remaining Part B The energy required to dislodge...
dn. Feedback Resume Attempt 1 O30 X-rays with an initial wavelength of 0.0533 nm scatter at an angle of 82.1° from the loosely bound electrons of a target material. What is the wavelength of the scattered radiation? nm wavelength: .0535 Resume Attempt 5 A watt is a unit of energy per unit time, and one watt (W) is equal to one joule per second (J-s). A 40.0 W incandescent lightbulb produces about 8.00 % of its energy as visible light....
Calculate the energy emitted per mole of photons (kJ/mol), by a neon sign with a frequency of 4.89 x 10" Hz. 2. A heat lamp produces 25.5 watts of power at a wavelength of 6.50 um. How many photons are emitted per second? (1 watt - 1 J/s) An electron in a hydrogen atom relaxes to the n-2 level emitting light of wavelength 410.2 nm. What is the value of n for the level where the electron originated? Hint: Use...
You have two lasers one red and one blue. Each laser has a power of 5 mW (milliWatts). The red laser produces light at 700 nm. The blue laser produces light at 400 nm. (A) Calculate the energy per photon emitted by each laser. Which color photon has higher energy? (B) How many photons are emitted per second by each laser? Which laser produces more photons per unit time? (C) You shine both lasers at a surface of calcium which...
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