A-LevelPhysicsPhysical quantities and units9702/12 · May/June 2011 · Q31 Mark
In making reasonable estimates of physical quantities, which statement is not correct?
AThe frequency of sound can be of the order of GHz.
BThe wavelength of light can be of the order of 600 nm.
CThe Young modulus can be of the order of 10¹¹ Pa.
DBeta radiation is associated with one unit of negative charge.
✓ Correct answer
A: The frequency of sound can be of the order of GHz.
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