MHT CET Physics question

An aircraft with a wingspan of 40 m files with a speed of 1080 km/hr in the eastward direction at a constant altitude in the northern hemisphere, where the vertical component of the earth's magnetic field T. Then the emf developed between the tips of the wings is

• (A)0.21 VCorrect
• (B)0.5 V
• (C)2.1 V
• (D)0.34 V