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JEE Main 8 Apr 2019 Paper 2 Solved Paper

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Question : 4

Total: 90

In a line of sight radio communication, a distance of about 50 km is kept between the transmitting and receiving antennas. If the height of the receiving antenna is 70 m, then the minimum height of the transmitting antenna should be: (Radius of the Earth = 6.4×106 m)

51 m
20 m
40 m
32 m

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