Weight is suspended to the end of elastic spring its increased length depends upon what ?
Weight is suspended to the end of elastic spring its increased length depends upon what ?
$(1)$ $\Delta l \propto m g$ (Weight)
$(2)$ $\Delta l \propto l$ (Original length)
$(3)$ $\Delta l \propto \frac{1}{\mathrm{~A}}$ (Cross section of wire)
$(4)$ Type of spring $\rightarrow$ on spring constant
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- [NEET 2019]
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