RADARS AND LASERS

What type of electromagnetic wave is usually used for transmission and reception among televisions?

• Infrared

• Microwave

• Radio wave

• X-ray

What device is used to receive data in the form of radio waves?

• Antenna

• Transmitter

• Transistor

• Tripod

What do you call the process of extracting information from a carrier wave?

• Demodulation

• Excretion

• Modulation

• Secretion

What does RADAR stand for?

• Radio Detection and Reinforming

• Radio Detection and Ranging

• Radio Distortion and Ranging

• Radio Distortion and Reinforming

Which among the following lasing medium is classified under the solid-state?

• Argon

• Helium

• Ruby

• Smoke

Which range in the electromagnetic spectrum does laser belong to?

• Radio waves

• Gamma waves

• Microwaves

• Visible light

Which of the following animals can we compare with the principle of radars?

• Chimpanzees

• Deer

• Dolphins

• Spiders

What component in a receiver is commonly responsible for picking up laser values?

• Capacitor

• Counter

• IC

• Phototransistor

What does LASER stand for?

• Linear Automation and Stimulation of Electromagnetic Radiation

• Light Amplification through Stimulated Emission of Radiation

• Light-based Amplification of Signal for Extended Range

• Light Activated Sonic Emission Recorder

Which wave property is used by RADARS?

• Diffraction

• Interference

• Reflection

• Refraction