Question

explain this question

Answer 1

here written when a Ray of light passes through a rectangular slab rectangular slab means a rectangular shaped glass or any student make a tabulated observation and it means table observation observation that make in a table and in his experiment he take the value of angle I has 45 degree and 60 degree so your question is that to correct the value of angle e and angle r it means that in a rectangular glass there is he is given degree of an angle and you have to find out the another two degree or have to correct that this degree is right and wrong you have to proof so you have to make a case wise answer .

so this is your explanation

if you think that it is a good explanation so you can give me your mark me as a brilliant