define the following: soluble substance, transparent substance, opaque object, lustre
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Transparent: The material which allows light to pass through it is called transparent, e.g. acrylic sheet, glass, water, air, etc
soluble: We call substances that dissolve in water soluble.eg. sugar , salt
Opaque : Opaque objects are objects that aren't transparent or translucent, so no light passes through them and you can't see through them. An example of a transparent object would be a window pane. An example of a translucent object would be a shower door. An example on an opaque object would be an apple.
lustre: Lustre is gentle shining light that is reflected from a surface, for example from polished metal
Explanation:
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Substances that dissolve in water are called soluble substances .When you mix sugar with water the suger dissolve to make ,transparent solution.
An opaque object is neither transparent nor translucent .
when light strikes and interface
between two substances, in general some may be reflected ,some absorbed ,some scattered and rest transmitted.
A lustre is a thin coating containing
unoxidi zed metal.
Explanation:
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