Correct Answer : Option (A) : is more in darkness and less in brightness
Explanation : Light dependent resistor (LDR) has high resistance in darkness and low resistance in brightness.
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