JAMB - Physics (2024 - No. 65)
Calculate the depth of a swimming pool if the apparent depth is 10cm. ( Refractive index of water = 1.33 )
7.5cm
10.0cm
13.3cm
6.87cm
Giải thích
Refractive index = \(\frac{\text{real depth}}{\text{apparent depth}}\)
Real depth = refractive index x apparent depth
Apparent depth = 10cm
Refractive index = 1.33
Real depth = 1.33 x 10 = 13.3cm.