In radio-communication, the signals emitted by transmitting antenna are reflected on –

Related MCQs

• If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to               .
• The energy emitted by the Sun is due to
• Beta rays emitted by a radioactive material are –
• When a light wave is reflected from a mirror, there is a change in its –
• A ray of white light strikes the surface of an object. If all the colours are reflected, the surface would appear
• Energy in reflected light :
• The audio signals of TV are :
• Danger signals are generally red as red light –
• The audio signals of TV are –
• Red light is used for signals because it has –