E = mc2 is known as ______ equation.

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द्रव्यमान ऊर्जा समतुल्यता का सम्बन्ध E = mc2 का प्रतिपादन किसने किया था? Viman Urja Samtulyata Ka Sambandh E = mc2 Ka Pratipadan Kisne Kiya Tha?

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For the cell prepared from electrode A and B, electrode $A : \frac{ Cr _{2} O _{7}^{2-}}{ Cr ^{3+}}, E _{\text {red. }}^{0}=+1.33 V$ and electrode $B$ : $\frac{F_{e^{3+}}^{F e^{2+}}, E_{\text {red. }}^{0}}{}=0.77 V$, which of the following statement is not correct?

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The value of $\lim _{x \rightarrow 0} \frac{(1+x)^{1 / x}-e+\frac{e x}{2}}{11 x^{2}}$ is equal to

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दो बिन्दु आवेश 4e तथा +e परस्पर 'a' दूरी पर स्थिर अवस्था में रखे गये हैं। एक तीसरे बिन्दु आवेश +q को उनें मिलाने वाली रेखा पर कहाँ रखा जाए कि वह सन्तुलन में हो।

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E = mc2 is known as ______ equation.

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