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I cannot see through the door because it is ______.
When a light ___ hits an object and reflects off.
The light will _______ from the white walls.
An area behind an object where there is no light, castes a ______.
___________ material lets some light pass through it but not all of it.
Light can ________ through transparent materials.
A material like glass which allows light to pass through it without shattering is ___________.
Amplitude is the height of a wave crest or a wave trough of a __________ wave from the rest position.
A completely open space, containing no particles, is a ______.
Angle between the ray of _________ and the normal line.
A copy of an object that is seen in a mirror is a __________.
The ______ is an imaginary line at right angles to the surface of a mirror or other object where a ray of light hits it.
A _____, smooth, flat mirror.
Light rays _______ in all directions from a rough surface.
Light rays reflect evenly from from a smooth surface. Mirrors produce ________ reflection.
__________ is the change in direction when light goes from one transparent material to another.
This camera has got a long ____ for taking photos of things from a long way away.
The ______ is a transparent part of the eye which covers the iris and pupil.
__________ happens when light separates into the spectrum, as it passes through a prism.
The seven colours which make up white light are the ________.