Question

Express a pressure of 50 n/m2 in terms of dyne/cm2

Answer 1

10dyne/cm^2 =1N/m^2

hence

50N/m^2=500dyne/cm^2

Answer 2

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Pressure = Force/Area

Unit of pressure in SI unit = N/m² = kg m⁻¹ s⁻²

Unit of pressure in CGS unit = dyne/cm² = g cm⁻¹ s⁻²

1 kg m⁻¹ s⁻² = 1000/100 g cm⁻¹ s⁻²

1 kg m⁻¹ s⁻² = 10 g cm⁻¹ s⁻²

1 N/m² = 10 dyne/cm²

Therefore,

50 N/m² = 50×10 = 500 dyne/cm²

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