Question

Vavelength of given waves in air and in a
nedium are 6000 Å and 4000 Å respectively,
"he critical angle is
2
نیا
1] tan
Tu ruig
[2]
tan
Siny
w
my
2
sin
[4]
sin
NIW
3
t
aug
bject is placed 15cm from a concave mirr
focal length 10cm, then the nature of im
rmed will be​

Answer 1

Answer:

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