VOLTE 2 .11 .|~ 32 14 11:58 Which of the following form of EM waves is mostly used in communication? * O Gamma rays O Infrared O Radio waves X-ray Which modulation technique provides a higher quality broadcasting?* Energy Modulation O Wave Modulation O Amplitude Modulation Frequency Modulation In which of the following are X-rays and gamma rays applicable? * O cancer treatment O cooking food O ionizing radiation O type of radiation Which in the electromagnetic spectrum is utilized in a television? * Gamma rays O Infrared O Microwaves O Radio waves Our eyes are sensitive to which region of the OVOLTE 2 4. .| OR 32 14 11:58 Our eyes are sensitive to which region of the electromagnetic spectrum? * O Microwave O Gamma rays O Visible light Infrared Which type of electromagnetic wave is used to illuminate fluorescent materials displayed in museums? * O Infrared light Ultraviolet light O often either or both O none of these Which of the following electromagnetic radiation is used during zero-visibility situation? * O Gamma rays O Infrared O Microwave X-rays What type of electromagnetic waves are used to treat cancer? * O Gamma rays Infrared O Penicillin Radio waves Why are X-rays used in imaging of broken bones, -- - LI. . .. Ll. . .- Omalt.\" ill $0 091$ [32?\"1158 Why are Xrays used in imaging of broken bones, rather than radio waves? * O X-rays have lower frequencies than radio waves. 0 X-rays have longer wavelengths than radio waves. 0 X-rays have lower penetrating energy than radio waves. 0 X-rays have higher penetrating energy than radio waves. Our police officers are using RADAR for speed control. What kind of electromagnetic wave is used in RADAR? * 0 radio waves 0 gamma rays 0 ultraviolet rays 0 X-rays What portion of the electromagnetic spectrum is used in a microscope? * O Gamma rays 0 Infrared waves 0 Ultraviolet light 0 Visible light Stars in the outer space emits electromagnetic waves. Which of the following electromagnetic waves is being released by the neutron stars and supernova explosions? * O Gamma rays 0 Microwaves O Visible Light 0 X-ray III 0