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Sound waves travel faster in water than in air due to the closer proximity of water molecules, allowing vibrations to be transmitted more quickly. However, light slows down when it passes from air into water because water has a higher optical density than air, reducing the speed of light. This phenomenon is crucial in various optical applications, including lenses and prisms.
24 25 34 59 108 ?
26 63 124 215 342 511 ?
...If 3 12 108 x 43200
Then, 47% of (x + 72)= ?
44 79 114 149 184 ?
61 71 86 ? 131 161
...6 16 ? 244 1,245 7,506 52,591
...4 7 24 91 462 2763
18 ...
Choose the correct alternative
21: 3 ∷ 574: ?
342 252 172 102 42 ?
9060 5685 3488 2157 1428 1077
