Correct Answer : Option (B) : Plumbicon
Explanation : Dark current is the small signal current even when there is no illumination on the face plate of camera tube.
Correct Answer : left to right
Correct Answer : Fading
Explanation : Tropospheric scatter propagation is subject to two types of fading called Rayleigh fading (due to multipath propagation) and fading due to variations in atmospheric conditions along the propagation path.
Correct Answer : 13 mm