41. Radome is made of :
(a) insulator
(b) conductor
(c) magnetic material
(d) semiconductor
42. ‘SAR’ means :
(a) system aperture radar
(b) synthetic aperture radar
(c) similar aperture radar
(d) synchronizing aperture radar
43. ‘MTI’ radar is :
(a) CW radar
(b) pulsed radar
(c) FMCW radar
(d) CW Doppler radar
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