do all transparent bodies disperse light?give examples

No not all transparent bodies disperse light into its seven coloured components,only those whose refracting surfaces are placed at an angle not equal to 90 degrees can only disperse the light.For eg;- rectangular glass slab cannot disperse the light because it has parallel refracting surfaces.........

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No all transparent bodies do not disperse light. For example, rectangular glass slab do not disperse light.
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