Properties of Photons - AP Chemistry
Card 1 of 30
Find the energy of a photon with frequency $5 \times 10^{14}$ Hz.
Find the energy of a photon with frequency $5 \times 10^{14}$ Hz.
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$E = 3.31 \times 10^{-19} \text{ J}$. Using $E = hf$ with $h = 6.626 \times 10^{-34}$ J·s.
$E = 3.31 \times 10^{-19} \text{ J}$. Using $E = hf$ with $h = 6.626 \times 10^{-34}$ J·s.
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What is the relationship between photon momentum and wavelength?
What is the relationship between photon momentum and wavelength?
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$p = \frac{h}{\lambda}$. Momentum inversely related to wavelength via Planck's constant.
$p = \frac{h}{\lambda}$. Momentum inversely related to wavelength via Planck's constant.
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Identify the constant used for the speed of light.
Identify the constant used for the speed of light.
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$c = 3.00 \times 10^8 \text{ m/s}$. Symbol $c$ represents speed of light in equations.
$c = 3.00 \times 10^8 \text{ m/s}$. Symbol $c$ represents speed of light in equations.
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Identify the formula for the momentum of a photon.
Identify the formula for the momentum of a photon.
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$p = \frac{h}{\text{wavelength}}$. De Broglie relation for photon momentum using wavelength.
$p = \frac{h}{\text{wavelength}}$. De Broglie relation for photon momentum using wavelength.
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How do you express energy in electronvolts (eV)?
How do you express energy in electronvolts (eV)?
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1 eV = $1.602 \times 10^{-19}$ J. Conversion factor between joules and electronvolts.
1 eV = $1.602 \times 10^{-19}$ J. Conversion factor between joules and electronvolts.
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What is the relationship between frequency and photon energy?
What is the relationship between frequency and photon energy?
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Directly proportional. Linear relationship from Planck's equation $E = hf$.
Directly proportional. Linear relationship from Planck's equation $E = hf$.
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Determine the energy in eV for a photon with $3.2 \times 10^{-19}$ J.
Determine the energy in eV for a photon with $3.2 \times 10^{-19}$ J.
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2 eV. Dividing energy by conversion factor $1.602 \times 10^{-19}$ J/eV.
2 eV. Dividing energy by conversion factor $1.602 \times 10^{-19}$ J/eV.
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Which fundamental constant is used in calculating photon's energy?
Which fundamental constant is used in calculating photon's energy?
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Planck's constant ($h$). Quantum constant linking energy and frequency in photon equations.
Planck's constant ($h$). Quantum constant linking energy and frequency in photon equations.
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What is the inverse relationship of wavelength and frequency?
What is the inverse relationship of wavelength and frequency?
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As wavelength increases, frequency decreases. Inverse relationship from $c = \nu \lambda$ equation.
As wavelength increases, frequency decreases. Inverse relationship from $c = \nu \lambda$ equation.
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Calculate energy of a photon with wavelength $400 \text{ nm}$.
Calculate energy of a photon with wavelength $400 \text{ nm}$.
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$E = 4.97 \times 10^{-19} \text{ J}$. Using $E = \frac{hc}{\lambda}$ with $400$ nm wavelength.
$E = 4.97 \times 10^{-19} \text{ J}$. Using $E = \frac{hc}{\lambda}$ with $400$ nm wavelength.
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Calculate frequency for photon with energy $2.5 \times 10^{-19}$ J.
Calculate frequency for photon with energy $2.5 \times 10^{-19}$ J.
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$\nu = 3.77 \times 10^{14} \text{ Hz}$. Using $\nu = \frac{E}{h}$ with given energy value.
$\nu = 3.77 \times 10^{14} \text{ Hz}$. Using $\nu = \frac{E}{h}$ with given energy value.
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What does the symbol $\lambda$ represent?
What does the symbol $\lambda$ represent?
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Wavelength. Lambda is the standard symbol for wavelength.
Wavelength. Lambda is the standard symbol for wavelength.
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State the symbol for speed of light.
State the symbol for speed of light.
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$c$. Standard symbol for speed of light constant.
$c$. Standard symbol for speed of light constant.
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Identify the constant used for the speed of light.
Identify the constant used for the speed of light.
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$c = 3.00 \times 10^8 \text{ m/s}$. Symbol $c$ represents speed of light in equations.
$c = 3.00 \times 10^8 \text{ m/s}$. Symbol $c$ represents speed of light in equations.
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Identify the formula for the momentum of a photon.
Identify the formula for the momentum of a photon.
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$p = \frac{h}{\text{wavelength}}$. De Broglie relation for photon momentum using wavelength.
$p = \frac{h}{\text{wavelength}}$. De Broglie relation for photon momentum using wavelength.
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How do you express energy in electronvolts (eV)?
How do you express energy in electronvolts (eV)?
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1 eV = $1.602 \times 10^{-19}$ J. Conversion factor between joules and electronvolts.
1 eV = $1.602 \times 10^{-19}$ J. Conversion factor between joules and electronvolts.
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Find the energy of a photon with frequency $5 \times 10^{14}$ Hz.
Find the energy of a photon with frequency $5 \times 10^{14}$ Hz.
Tap to reveal answer
$E = 3.31 \times 10^{-19} \text{ J}$. Using $E = hf$ with $h = 6.626 \times 10^{-34}$ J·s.
$E = 3.31 \times 10^{-19} \text{ J}$. Using $E = hf$ with $h = 6.626 \times 10^{-34}$ J·s.
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What is the relationship between photon momentum and wavelength?
What is the relationship between photon momentum and wavelength?
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$p = \frac{h}{\lambda}$. Momentum inversely related to wavelength via Planck's constant.
$p = \frac{h}{\lambda}$. Momentum inversely related to wavelength via Planck's constant.
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What is the relationship between frequency and photon energy?
What is the relationship between frequency and photon energy?
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Directly proportional. Linear relationship from Planck's equation $E = hf$.
Directly proportional. Linear relationship from Planck's equation $E = hf$.
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Determine the energy in eV for a photon with $3.2 \times 10^{-19}$ J.
Determine the energy in eV for a photon with $3.2 \times 10^{-19}$ J.
Tap to reveal answer
2 eV. Dividing energy by conversion factor $1.602 \times 10^{-19}$ J/eV.
2 eV. Dividing energy by conversion factor $1.602 \times 10^{-19}$ J/eV.
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Which fundamental constant is used in calculating photon's energy?
Which fundamental constant is used in calculating photon's energy?
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Planck's constant ($h$). Quantum constant linking energy and frequency in photon equations.
Planck's constant ($h$). Quantum constant linking energy and frequency in photon equations.
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What is the inverse relationship of wavelength and frequency?
What is the inverse relationship of wavelength and frequency?
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As wavelength increases, frequency decreases. Inverse relationship from $c = \nu \lambda$ equation.
As wavelength increases, frequency decreases. Inverse relationship from $c = \nu \lambda$ equation.
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Calculate energy of a photon with wavelength $400 \text{ nm}$.
Calculate energy of a photon with wavelength $400 \text{ nm}$.
Tap to reveal answer
$E = 4.97 \times 10^{-19} \text{ J}$. Using $E = \frac{hc}{\lambda}$ with $400$ nm wavelength.
$E = 4.97 \times 10^{-19} \text{ J}$. Using $E = \frac{hc}{\lambda}$ with $400$ nm wavelength.
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Calculate frequency for photon with energy $2.5 \times 10^{-19}$ J.
Calculate frequency for photon with energy $2.5 \times 10^{-19}$ J.
Tap to reveal answer
$\nu = 3.77 \times 10^{14} \text{ Hz}$. Using $\nu = \frac{E}{h}$ with given energy value.
$\nu = 3.77 \times 10^{14} \text{ Hz}$. Using $\nu = \frac{E}{h}$ with given energy value.
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What does the symbol $\lambda$ represent?
What does the symbol $\lambda$ represent?
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Wavelength. Lambda is the standard symbol for wavelength.
Wavelength. Lambda is the standard symbol for wavelength.
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State the symbol for speed of light.
State the symbol for speed of light.
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$c$. Standard symbol for speed of light constant.
$c$. Standard symbol for speed of light constant.
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What does the symbol $\lambda$ represent?
What does the symbol $\lambda$ represent?
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Wavelength. Lambda is the standard symbol for wavelength.
Wavelength. Lambda is the standard symbol for wavelength.
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Find the energy of a photon with frequency $5 \times 10^{14}$ Hz.
Find the energy of a photon with frequency $5 \times 10^{14}$ Hz.
Tap to reveal answer
$E = 3.31 \times 10^{-19} \text{ J}$. Using $E = hf$ with $h = 6.626 \times 10^{-34}$ J·s.
$E = 3.31 \times 10^{-19} \text{ J}$. Using $E = hf$ with $h = 6.626 \times 10^{-34}$ J·s.
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What is the relationship between photon momentum and wavelength?
What is the relationship between photon momentum and wavelength?
Tap to reveal answer
$p = \frac{h}{\lambda}$. Momentum inversely related to wavelength via Planck's constant.
$p = \frac{h}{\lambda}$. Momentum inversely related to wavelength via Planck's constant.
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Identify the constant used for the speed of light.
Identify the constant used for the speed of light.
Tap to reveal answer
$c = 3.00 \times 10^8 \text{ m/s}$. Symbol $c$ represents speed of light in equations.
$c = 3.00 \times 10^8 \text{ m/s}$. Symbol $c$ represents speed of light in equations.
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