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Q: Why does the intensity of light vary daily and seasonally?
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How does light intensity vary with distance form the source?

Light intensity is inversely proportional to the square of the distance: I = k/d2


What is Formula for converting watts to foot candles?

Foot-candle is a unit of light intensity, not of power like watts. The power would vary, depending on the color of the light.Foot-candle is a unit of light intensity, not of power like watts. The power would vary, depending on the color of the light.Foot-candle is a unit of light intensity, not of power like watts. The power would vary, depending on the color of the light.Foot-candle is a unit of light intensity, not of power like watts. The power would vary, depending on the color of the light.


Why current will vary in a solar cell?

The current will of course vary with the intensity of the imparted light and with the temperature of the panel.


How does intensity vary with distance from the source?

It's an inverse-square law - for instance, double the distance, and the intensity will be reduced by a factor 1/4.This assumes that there is nothing absorbing the light (for instance, fog); if there is, the intensity in the above example will of course be even less than 1/4 the original intensity.


How do the amplitude and the intensity of surface water waves vary with the distance of the source?

physics


What is the cropping intensity?

Cropping Intensity is how much yield can be obtained from a certain amount of land. For example cropping intensity may be 5 kgs per metre squared. The yeild can vary greatly depending on the crop and the conditions in which it is grown.


What are calligraphic lines?

Calligraphic lines are lines that vary in size and intensity throughout the course of the line.


Why do earthquake's impacts vary?

differences in earthquake intensity; differences in demographics at/near the earthquake site


How is the magnetic field of an eletromagnet controlled?

The intensity of the magnetic field (measured in Teslas) produced by an electromagnet is directly proportional to the current (measured in Amperes) passing through it's coil windings. Therefore, as long as other variables remain constant, one can vary the intensity of the magnetic field by varying the current. Specifically, the intensity of the magnetic field will vary by the same factor as the current, so if the current is halved, the intensity of the magnetic field will also be halved; and if the current is tripled, the intensity of the magnetic field will also be tripled.


What does the intensity of an earthquake measure?

The amplitude and acceleration of ground shaking at a particular place as well as the resultant damage to buildings and other infrastructure. Unlike earthquake magnitude, the intensity can vary from place to place.


How many total minutes of moderate intensity physical activity are recommended daily?

In general I believe that is 30min. However, that can vary based on age, sex, BMI (body mass index) and the amount of calories that is ingested on an average day. But 30 min a day is recommended for everyone.


Why does the amount of daily intake vary between individuals?

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