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The Electromagnetic Spectrum

Physics · Class 10

Q1. Define the electromagnetic spectrum.

Q2. Write the spectrum in order.

Q3. State two properties common to all EM waves.

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CONTENTREQUIREDFROM_CHATGPT

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D.c. flows in one direction; a.c. reverses periodically.

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Alpha, Beta and Gamma

Alpha, beta and gamma are the three main types of nuclear radiation studied at this level.

Analogue Versus Digital

Analogue signals vary continuously; digital signals use discrete levels such as binary 0 and 1. ADC converts analogue to digital; DAC converts digital to analogue.

Analyzing Sound Waves

Waveform analysis shows amplitude, frequency, period and shape.

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