question_answer

Total internal reflection of a ray of light is possible when the (\[{{i}_{c}}\]= critical angle, \[i=\]angle of incidence) [NCERT 1977; MP PMT 1994]

A)            Ray goes from denser medium to rarer medium and \[i<{{i}_{c}}\]

B)            Ray goes from denser medium to rarer medium and \[i>{{i}_{c}}\]

C)            Ray goes from rarer medium to denser medium and \[i>{{i}_{c}}\]

D)            Ray goes from rarer medium to denser medium and \[i<{{i}_{c}}\]