The colour of an object is decided by
A. The reflected colour
B. The wavelength transmitted through it
C. Reflected colour for opaque object and wavelength transmitted through it for transparent objects
D. None of the above
Answer: Option C
A. The reflected colour
B. The wavelength transmitted through it
C. Reflected colour for opaque object and wavelength transmitted through it for transparent objects
D. None of the above
Answer: Option C
It is found that a ship to ship communication suffers from fading. This can be avoided by using
A. Space diversity
B. Frequency diversity
C. Broad band antenna
D. Directional antenna
A. A double-tuned amplifier
B. A high gain D.C. amplifier
C. A cathode follower stage
D. None of the above
A. Filter method
B. Phase cancellation method
C. Good attenuation characteristics
D. All of the above
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