JEE Main 2021 Physics question

An aeroplane, with its wings spread 10 m, is flying at a speed of 180 km/h in a horizontal direction. The total intensity of earth's field at that part is Wb/ and the angle of dip is 60°. The emf induced between the tips of the plane wings will be:

• (A)108.25 mVCorrect
• (B)54.125 mV
• (C)88.37 mV
• (D)62.50 mV