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1. |
A pulsed radar, operating at 3 GHz, having a pulse width of 2 μsec receives an echo from a target, 10 μsec after sending the signal. The approximate range of the target is |
A. | 300 m |
B. | 1500 m |
C. | 3000 m |
D. | 5000 m |
Answer» C. 3000 m | |