Electromagnetic Waves — Important Questions
Telangana Open School (TOSS) · Class 12 · Physics
53 important questions from Electromagnetic Waves for Telangana Open School (TOSS) Class 12 Physics, with answers. Written for the board exams 2027.
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Important Questions from Electromagnetic Waves
What is the frequency range of radio waves?
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500 kHz to 1000 MHz
The frequency range of radio waves is from 500 kHz to 1000 MHz as per the chapter.
Which electromagnetic wave is used for treating certain forms of cancer?
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X-rays
X-rays are used in the treatment of certain forms of cancer due to their high energy.
What is the primary use of infrared rays in electronic devices?
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TV remotes
Near-infrared waves are used in TV remotes and other electronic applications.
Which electromagnetic wave has the highest frequency?
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Gamma rays
Gamma rays have the highest frequency in the electromagnetic spectrum, greater than 10^20 Hz.
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