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It is the sun.
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∙ 13y ago
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Is a calorie a unit of light?
It's a unit of energy, not light or weight.
What is the SI unit of LIGHT energy?
The SI unit for ANY type of energy is the joule.
The unit for measuring the rate at which light energy is rediated from a source is what?
The unit for measuring the rate at which light energy is radiated from a source is the lumen. The lumen is symbolized as lm.
What unit of energy does light consist of?
The units of energy that light consists of is known as photons.
What is the main source of light and energy?
The main source of light is the sun
What unit is light energy measured in?
with a theremometer
What is the main source of heat and light ENERGY?
The main source of light is the sun
What is main source of light for photosynthesis and respiration?
Light energy is obtained by sun. This energy is converted into chemical energy.
What is the unit of light which is scalar qantity?
The intensity of light is measured in lumens. The amount of energy in light can be measured in any unit of energy (BTU, calories, Joules, etc.) The energy per unit time can be measured in any unit of power (Watts, horsepower etc.) All of these are independent of specific classes of coordinate systems and hence "scalar".
What is the main source of energy that heats your earth?
Our main source of energy is the light and heat from the Sun.
What is the unit for measuring the rate at which light energy is radiated from a source?
The lumen is the unit used to measure the rate at which light energy is radiated from a source. The lumen represents the international standard unit of luminous flux that is based on the candela.
What is the main purpose of light energy?
photosynthesis
