Which among the following is an application of high frequency?
A. SONAR
B. Subsurface communication
C. Radio navigation
D. Facsimile
Related Questions on Antenna & Wave Propagation Test Questions
A. 1 m – 10 m
B. 1 cm – 10 cm
C. 10 cm – 1 m
D. 0.1 cm – 1 cm
Wavefront is basically a locus of points acquiring similar _______
A. Phase
B. Frequency
C. Amplitude
D. Wave equation
In which kind of waveform is the phase velocity defined?
A. Sinusoidal
B. Rectangular
C. Square
D. Triangular
Which among the following is/are not present in free space?
A. Solid bodies
B. Ionized particles
C. Interference of normal radiation & radio wave propagation
D. All of the above
Power density is basically termed as ________ power per unit area
A. Reflected
B. Refracted
C. Radiated
D. Diffracted