Question 26-1 : Radio theoryfrequency is defined as the ? [ Candidate takeoff ]

Question 26-2 : Radio theorywavelength is defined as the ?

Physical distance travelled by a radio wave during one cycle of transmission.

Question 26-3 : Radio theorythe mix of an electromagnetic wave with another is called ?

Interference.

Question 26-4 : Radio theorythe phenomenon of a change in direction of an radio wave em wave occurring due to a change in its speed is called ?

Refraction.

Question 26-5 : Radio theorythe phenomenon by which wave energy bends around a permeable obstacle is called ?

Diffraction.

Question 26-6 : Radio theoryvhf very high frequency waves appear in the frequency spectrum ?

30 mhz 300 mhz.

Question 26-7 : Radio theorywhen the fading damping of a radio wave is so important that no signal can be received this phenomenon is ?

Absorption.

Question 26-8 : Radio theoryto double the effective range of a radio transmission the power output must be increased by a factor of ?

4.

Question 26-9 : Radio theory fading is ?

Question 26-10 : Radio theoryradio waves travel at ?

Question 26-11 : Radio theoryradio waves travel at a speed of ?

Question 26-12 : Radio theorya radio signal looses strength as range from the transmitter increases this is called ?

Question 26-13 : Radio theoryan electromagnetic wave has two types of energy field ?

An e electrical field and h magnetic field.

Question 26-14 : Radio theoryan electromagnetic wave consists of an oscillating electric field e and an oscillating magnetic field h which statement is correct ?

The e and h fields are perpendicular to each other.

Question 26-15 : Radio theoryan electromagnetic wave consists of an oscillating electric field e and an oscillating magnetic field h their propagation speed is ?

The speed of light.