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Questions tagged 'Frequency'

15 questions

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Anonymous

Feb 19, 2025

Two train whistles, A and B, each have a frequency of 392 Hz. A is stationary and B is moving toward the right?

Two train whistles, A and B, each have a frequency of 392 Hz. Whistle A is stationary, while whistle B is moving to the right (away from A) at a speed of 35.0 m/s. A listener is positioned between the...

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Anonymous

Feb 13, 2025

What is the energy in joules of a photon whose frequency is 3.55 × 10^17 Hz?

Please help me with this question: What is the energy in joules of a photon whose frequency is 3.55 × 10^17 Hz? I would appreciate a quick response. Thank you!

The wavelength of the red light is 700.5 nm. What is the frequency of red light?

To determine the frequency of red light with a wavelength of 700.5 nm, start by converting the wavelength from nanometers to meters. Recall that the prefix "nano" represents (10^{-9}).

The energy of a photon that has a frequency of 18.21 × 1015 s-1 is __________ J.?

What is the energy of a photon with a frequency of 18.21 × 10¹⁵ s⁻¹? a. 5.44 × 10⁻¹⁸ J b. 1.99 × 10⁻²⁵ J c. 3.49 × 10⁻⁴⁸ J d. 1.21 × 10⁻¹⁷ J e. 5.44 × 10⁻¹⁸ J

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Anonymous

Feb 04, 2025

the frequency of yellow light is 5 x 10^14 HZ. the speed of light is 3 x 10^8 m/s what is the wavenlegth?

The frequency of yellow light is ( 5 \times 10^{14} \, \text{Hz} ), and the speed of light is ( 3 \times 10^8 \, \text{m/s} ). What is the wavelength of yellow light?

How the results of parts b and c related to the plot shown below?

How are the results from parts b and c related to the plot shown below? Specifically, I would like to understand how the frequency associated with the wavelength calculated in part (b) connects to the...

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Anonymous

Jan 19, 2025

According to this segment how often do these accidents occur

Based on the information provided in this segment, how frequently do these accidents occur?

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Anonymous

Jan 19, 2025

What is the amplitude and frequency of the resultant wave? (Please Help)?

Two traveling sinusoidal waves are described by the following wave functions, where x, y1, and y2 are in meters, and t is in seconds: y1 = (5.45 m) sin[(4.30x - 1260t)] y2 = (5.45 m) sin[(4.30x - 126...

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Jayme Osinski

Jan 18, 2025

What is the energy (in joules) of an ultraviolet photon with wavelength 110 nm? What is its frequency?

What is the energy, in joules, of an ultraviolet photon with a wavelength of 110 nm? Additionally, could you provide its frequency?

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Anonymous

Jan 08, 2025

What minimum frequency of light is required to ionize boron?

The energy required to ionize boron is 801 kJ/mol. What is the minimum frequency of light needed to ionize boron? I would appreciate a detailed explanation of the calculation process, as I initially a...