4) નીચેના રૂઢિપ્રયોગનો અર્થ આપો. જાત છતી થઈ જવી
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Explanation:
Change of speed causes change of direction
Light refracts whenever it travels at an angle into a substance with a different refractive index (optical density). ... This change of direction is called refraction. When light enters a more dense substance (higher refractive index), it 'bends' more towards the normal line.
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નીચનેા ɚવધાનો માથંી ખરા ɚવધાન સામેખưʁઅનેખોટા ɚવધાન સામેખોટʁુકરો.
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