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Frequency
an axis
They prevent certain wavelengths (i.e. colours) from passing through. This means that you only see the colours that do pass through. If the object itself is coloured this may result in it becoming invisible if the filter is one that stops the object's colour from passing through it.
by transmission , transmission is when the passing of light or other form of energy through matter .
Parallel to the principal axis
Frequency
rotation
An imaginary line around which an object rotates.
an axis
That imaginary line is called as "ORBIT".. Each space object spins around itself, in a particular path called as "ORBIT"
The line is called an axis.
That would be the axis.
the bending of light when passing through an object
Purple will the object be
They prevent certain wavelengths (i.e. colours) from passing through. This means that you only see the colours that do pass through. If the object itself is coloured this may result in it becoming invisible if the filter is one that stops the object's colour from passing through it.
a triangular prism
apparent motion