4 Waves

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Question 45

A conservator places an ultrasound transducer against a stone sculpture. At one point, the stone is 60 mm thick and ultrasound travels through it at 4000 m/s.

How long after the pulse is sent will the echo from the back surface return?

[1]

$μs15\ \mu\mathrm{s}$

$μs30\ \mu\mathrm{s}$

$μs3000\ \mu\mathrm{s}$

$μs30\,000\ \mu\mathrm{s}$

4 Waves

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Question 45

A conservator places an ultrasound transducer against a stone sculpture. At one point, the stone is 60 mm thick and ultrasound travels through it at 4000 m/s.

How long after the pulse is sent will the echo from the back surface return?

[1]

$μs15\ \mu\mathrm{s}$

$μs30\ \mu\mathrm{s}$

$μs3000\ \mu\mathrm{s}$

$μs30\,000\ \mu\mathrm{s}$

4 Waves

Question 45

Markscheme

4 Waves

Question 45

Markscheme

4 Waves

Question 45

4 Waves Questions

4 Waves

Question 45

4 Waves Questions