JAMB - Physics (2025 - No. 59)
From the diagram above, the sine of the angle of refraction in glass is
0.4
0.3
0.2
0.1
Explanation
\(_ag_g\) = \(\frac{\text{sini}}{\text{sinr}}\)
sinr = \(\frac{\text{sini}}{_ag_g}\)
sinr = \(\frac{0.5}{1.5}\)
sinr = 0.3
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