CBSE
27.7°
17.7°
37.7°
47.7°
37.1 × 10-4 J
17.1 × 10-7 J
47.1 × 10-4 J
27.1 × 10 J
I0
30 cm
45 cm
40 cm
37.5 cm
(1 + m2)d
n1 = n2 < n3
n1 = n2 > n3
n1 < n2 > n3
n1 < n2 = n3
B.
n1 = n2 > n3
21.1 ×10-4 J
47.1 ×10-4 J
37.1 ×10-4 J
17.1 ×10-4 J
-25 cm
-30 cm
25 cm
30 cm
15
30
25
20