lamp
lamp
A four letter word meaning to grow light as the sun rises is dawn.
The light intensity increases by a factor of four when you half the distance to the source. This is known as the inverse square law, where light intensity is inversely proportional to the square of the distance from the source.
Coal, wind
mist
The illumination on the surface would be reduced by a factor of four, thereforeif the distance from a light source is doubled, the illumination provided by the source is one fourth as great.
LAMP!
dawn
d for dawn
Dawn is the four letter word meaning to grow light as the sun rises. Dawn is the beginning of a new day.
The intensity of light decreases as distance from the source increases. This relationship follows an inverse square law, meaning that if you double the distance from the source of light, the intensity decreases by a factor of four.
Dawn