11. Radar gives target’s :
(a) range
(b) size
(c) velocity and range
(d) color
12. Received radar power is :
(a) Proportional to λ
(b) proportional to λ2
(c) inversely proportional to λ
(d) inversely proportional to d
13. Doppler effect is discovered by :
(a) an Austrian
(b) a german
(c) an American
(d) a Russian
14. SNR of search radar :
(a) depends on search
(b) dose not depend on scan time
(c) dose not depend on noise figure
(d) dose not depend on radar cross- section
15. Radar receiver contains :
(a) matched filters
(b) magnetrons
(c) no PPI
(d) no display unit
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