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The frequency of a photon is given by dividing its energy by Planck's constant (6.63 x 10^-34 J·s). So, for a photon with an energy of 6.80 x 10^-19 J, the frequency would be (6.80 x 10^19 J) / (6.63 x 10^-34 J·s) = approximately 1.03 x 10^14 Hz.

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Q: What is the frequency of a radar photon with energy 6.80x10 J?
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How does radar calculate speed of an auto?

Radar calculates the speed of an object by measuring the Doppler shift in the frequency of the transmitted and received radar signals. As the radar waves bounce off the moving object, the frequency of the returning signal is different from the transmitted frequency. By analyzing this frequency shift, the radar system can determine the speed of the object.


How does the frequency of a car's returning radar signal chang if the car moves away from the you radar source?

If a car moves away from a radar source, the frequency of the returning radar signal decreases. This is due to the Doppler effect, where as the car moves away, the wavelength of the signal is stretched out, causing a decrease in frequency.


What amplitude and frequency does a radar waves have?

Radar waves typically have amplitudes in the range of microwatts to milliwatts. The frequency of radar waves can vary depending on the specific radar system, but common frequencies range from hundreds of megahertz to tens of gigahertz.


Is the ultraviolet radiation from the sun higher or lower in frequency than radar waves?

Ultraviolet radiation from the sun is higher in frequency than radar waves. Radar waves have longer wavelengths and lower frequencies compared to ultraviolet radiation.


How does a Doppler radar differentiates a stationary target from a moving target using Doppler effect?

A Doppler radar differentiates a stationary target from a moving target by measuring the change in frequency of the reflected signal. For a stationary target, there is no change in frequency, while for a moving target, there is a shift in frequency due to the Doppler effect. By analyzing this frequency shift, the radar can determine whether the target is moving or stationary.

Related questions

What are directivity and radar cross srction?

Radar cross section is a measure of the electromagnetic energy intercepted and reradiated at the same frequency


How does radar calculate speed of an auto?

Radar calculates the speed of an object by measuring the Doppler shift in the frequency of the transmitted and received radar signals. As the radar waves bounce off the moving object, the frequency of the returning signal is different from the transmitted frequency. By analyzing this frequency shift, the radar system can determine the speed of the object.


Is magnetron an element?

A magnetron is a high-power, high frequency vacuum tube. The magnetron is the source of radio-frequency energy in RADAR systems and in the microwave oven in your kitchen, for example.


What is intermediate frequency of a radar?

41.11111ghz


COHO in MTI Radar uses which freq?

The COHO (Coherent Oscillator) in an MTI (Moving Target Indicator) radar typically uses a local oscillator frequency that is twice the radar's operating frequency. This frequency is used in the radar's mixer stage to enable the detection and tracking of moving targets.


How does the frequency of a car's returning radar signal chang if the car moves away from the you radar source?

If a car moves away from a radar source, the frequency of the returning radar signal decreases. This is due to the Doppler effect, where as the car moves away, the wavelength of the signal is stretched out, causing a decrease in frequency.


What is the difference between frequency diversity and frequency agility?

Frequency agility is the changing radar frequency rapidly and continuously to minimize jamming effect or enhance the target resolution and hit per scan. where as frequency diversity is a method to couple two radar transmitters to a single antenna simultenously to increase the range of radar in terms of coverage.


What amplitude and frequency does a radar waves have?

Radar waves typically have amplitudes in the range of microwatts to milliwatts. The frequency of radar waves can vary depending on the specific radar system, but common frequencies range from hundreds of megahertz to tens of gigahertz.


Which waves have lower frequency radar waves or visible waves?

Radar waves have lower frequencies than visible waves. Visible light waves fall within the range of the electromagnetic spectrum with higher frequencies, while radar waves have lower frequencies and longer wavelengths.


What is fmcw radar?

frequency modulated continues radar for detecting the target it generates the signals by continuously.


What is a radar PRF?

Radar Pulse Repetition Frequency - The number of pulses the radar system sends out to the target. A pulse can contain multiple frequencies.


Is the ultraviolet radiation from the sun higher or lower in frequency than radar waves?

Ultraviolet radiation from the sun is higher in frequency than radar waves. Radar waves have longer wavelengths and lower frequencies compared to ultraviolet radiation.