Day 400: JEE Mains Physics

1. A.
   $v_{rms}($ mono $) = v_{rms}($ dia $) = v_{rms}$ (poly)
2. B.
   $v_{rms}($ mono $) > v_{rms}($ dia $) > v_{rms}($ poly $)$
3. C.
   $v_{\text{rms~}}$ (dia) $< v_{\text{rms~}}$ (poly) $< v_{\text{rms~}}$ (mono)
4. D.
   $v_{\text{rms~}}$ (mono) $< v_{\text{rms~}}($ dia $) < v_{\text{rms~}}$ (poly)

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1. A.
   $9:1$
2. B.
   $1:9$
3. C.
   $4:1$
4. D.
   $3:1$

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1. A.
   $\frac{1}{2}$
2. B.
   $3/4$
3. C.
   $1/3$
4. D.
   $1/4$

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1. A.
   5 R
2. B.
   $3R$
3. C.
   $2R$
4. D.
   $1.5R$

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