differentiate between the following:
1. regular and irregular reflection
2. simple reflection and multiple reflection
3. colour addition and colour subtraction
Answers
Answer:
1.When all the parallel rays reflected from a plane surface are not parallel, the reflection is known as diffused or irregular reflection. Reflection from a smooth surface like that of a mirror is called regular reflection. ... It is caused by the irregularities in the reflecting surface.
2.simple reflection refers to the bouncing back of light after striking a single hard surface whereas multiple reflection occurs when a ray of light is reflected more than one time from different surfaces which leads to the formation of multiple images.
3.Additive colors are created by adding colored light to black. On the other hand, subtractive colors are created by completely or partially absorbing (or subtracting) some light wavelengths and reflecting others. Subtractive colors begin as white.
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Answer:
1.(regular and irregular reflection)
When all the parallel rays reflected from a plane surface are not parallel, the reflection is known as diffused or irregular reflection. Reflection from a smooth surface like that of a mirror is called regular reflection. ... It is caused by the irregularities in the reflecting surface.
2.(simple reflection and multiple reflection)
simple reflection refers to the bouncing back of light after striking a single hard surface whereas multiple reflection occurs when a ray of light is reflected more than one time from different surfaces which leads to the formation of multiple images.
3.(colour addition and colour subtraction )
Additive color mixing occurs with the simultaneous action of various color sensations – ‘irritants’ on the eye. It encounters wherever the different color values superimpose and as an optical impression interfere with each other. Subtractive (multiplicative) color mixing, contrary to the additive, is not mixing of color ‘irritants’, but creating color by subtraction. Namely, it is based on a change of light color when passing through or reflecting the light from the layers of dye or pigment.
Explanation: