why does a ray of light bend towards the normal in a denser medium instead of refracting away from it??what is the difference between rarer medium and denser medium on the basis of the interspacing and force of attraction of the molecule??
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See Firstly whenevr a light enters from one medium to another refraction takes place..Now when light rays enters from rarer to denser medium there takes place decline in its speed ..Due to slow in its speed it gets deflect frOm its originial path and bend towards normal ..
Difference btwn rarer and denser medium is that in a rarer medium there's a lot of space btwn particles i.E they hv quite low intetmolecular forces btwn its particles due to which rays easily travel in it while in a denser medium itermolecular space is quite strong so there particles are dense kr closer to oneanother so overcoming these forces is the cause of deflection of light
Difference btwn rarer and denser medium is that in a rarer medium there's a lot of space btwn particles i.E they hv quite low intetmolecular forces btwn its particles due to which rays easily travel in it while in a denser medium itermolecular space is quite strong so there particles are dense kr closer to oneanother so overcoming these forces is the cause of deflection of light
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