Figure 1 shows ultrasound being used to detect a hidden crack in a solid aluminium object. The transmitted and reflected pulses of ultrasound are shown on the screen. Ultrasound travels at 6300 m/s in aluminium. Determine the depth of the crack below the top surface of the aluminium. Use information from Figure 1. Give your answer to two significant figures.- 6077

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Q1

Figure 1 shows ultrasound being used to detect a hidden crack in a solid aluminium object. The transmitted and reflected pulses of ultrasound are shown on the screen.

(c) Ultrasound travels at 6300 m/s in aluminium. 

Determine the depth of the crack below the top surface of the aluminium. 

Use information from Figure 1. 

Give your answer to two significant figures.

___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ 

Depth = ____________________________ m (4)

  1. Bushra Khalid Avatar
    Bushra Khalid

    Time = 8 μs = 8×10^−6
    Distance= 1/2×6300×8×10 ^−6
    Distance=0.0252m
    therefore, Distance= 0.025 m

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One thought on “Figure 1 shows ultrasound being used to detect a hidden crack in a solid aluminium object. The transmitted and reflected pulses of ultrasound are shown on the screen. Ultrasound travels at 6300 m/s in aluminium. Determine the depth of the crack below the top surface of the aluminium. Use information from Figure 1. Give your answer to two significant figures.- 6077

  1. Time = 8 μs = 8×10^−6
    Distance= 1/2×6300×8×10 ^−6
    Distance=0.0252m
    therefore, Distance= 0.025 m

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Your email address will not be published. Required fields are marked *