Day 140: JEE Mains Physics

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

Tap an option to check your answer.

1. A.
   $A$ is true but $R$ is false.
2. B.
   Both $A$ and $R$ are true but $R$ is NOT the correct explanation of $A$.
3. C.
   Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
4. D.
   $A$ is false but $R$ is true.

Tap an option to check your answer.

1. A.
   $V = \frac{1}{2}\sqrt{\frac{4G\left( M_{1} + M_{2} \right)}{r}}$
2. B.
   $V = \sqrt{\frac{4G\left( M_{1} + M_{2} \right)}{r}}$
3. C.
   $V = \frac{1}{2}\sqrt{\frac{2G\left( M_{1} + M_{2} \right)}{r}}$
4. D.
   $V = \frac{\sqrt{2G}\left( M_{1} + M_{2} \right)}{r}$

Tap an option to check your answer.

1. A.
   $\frac{7\alpha}{3} + \frac{5\beta}{4}$
2. B.
   $\frac{7\alpha}{6} + \frac{5\beta}{4}$
3. C.
   $7\alpha + 5\beta$
4. D.
   None

Tap an option to check your answer.

1. A.
   $v_{\max} = \frac{r_{\min}v_{\min}}{r_{\max}}$
2. B.
   $v_{\max} = \frac{r_{\text{max~}}v_{\text{min~}}}{r_{\text{min~}} + r_{\text{max~}}}$
3. C.
   $v_{\max} = \frac{r_{\max}v_{\min}}{r_{\min}}$
4. D.
   $v_{\max} = v_{\min}$

Tap an option to check your answer.