Question

4. Young's modulus of steel is 1910 N/m? Express it
in dyne/cm . Here dyne is the CGS unit of force.
2
odulus is N/m​

Answer 1

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Answer 2

$\tt{ \underline{✪ \: Qᴜᴇsᴛɪᴏɴ : ✪}}$

→ Young's modulus of steel is 1910 N/m? Express it in dyne/cm . Here dyne is the CGS unit of force 2 odulus is N/m

$\tt{ \underline{✪ \: ᴀɴsᴡᴇʀ : ✪}}$

$\tt{→ Diameter \: double \: resistance \: \frac{1}{4} \: times }$

$\tt{→ Young's \: modulus \: = 1918 \: \frac{N}{m}}$

$\tt{→ We \: know \: that \: 1N = {10}^{5} dyne \: and \: 1m = 100 }$

$\huge \tt{→ So,}$

$\tt{→ 1910 \times \frac{{10}^{5}dyne}{100 \: cm}}$

$\tt{→ 1910 \times {10}^{3} \: \frac{dyne}{cm}}$

$\tt{→ 1.910 \times {10}^{6} \: \frac{dyne}{cm}}$