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A sensor is exposed for 0.1 s to a 200 W...

A sensor is exposed for 0.1 s to a 200 W lamp 10m away The sensor has an opening that is 20 mm in diameter. How many photons enter the sensor if the wavelength of light is 600nm? Assume that all the energy of the lamp is given off as light.

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To solve the problem step by step, we will follow the outlined process: ### Step 1: Calculate the Energy of a Single Photon The energy of a photon can be calculated using the formula: \[ E = \frac{hc}{\lambda} \] Where: ...
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