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An oscilloscope is used to display a wave - OCR Gateway - GCSE Physics - Question 2 - 2023 - Paper 2

Question 2

An oscilloscope is used to display a wave. How many complete waves are shown on the oscilloscope screen? A 2 B 4 C 5 D 10 Your answer

Worked Solution & Example Answer:An oscilloscope is used to display a wave - OCR Gateway - GCSE Physics - Question 2 - 2023 - Paper 2

Step 1

Identify the complete waves

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Answer

To determine the number of complete waves displayed on the oscilloscope, observe the waveform presented in the figure. A complete wave is characterized by a full cycle that includes both a crest and a trough.

Step 2

Count the number of cycles

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Answer

Upon careful examination of the wave shown in the image, count each complete wave. A complete wave is defined from one peak to the next peak. In the given figure, there are five complete waves displayed.

Step 3

Select the correct answer

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Answer

Based on the count, the correct choice from the options provided is C, which corresponds to 5 complete waves.

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