A light ray in water is incident on a boundary with air at an angle of 22°. The refractive index of water is 1.33 and that of air is 1.00. What is the angle of refraction in air?

A) 15°

B) 22°

C) 30°

D) 45°

14 % 1 Question 8 of 42 An aeroplane's engines provide a force of 30,000N as it accelerates down the runway. The mass of the aeroplane is 4000kg. Work out the acceleration of this aeroplane.

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