Day 562: JEE Mains Physics

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

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1. A.
   Impulse and average force acting on the object will be same for both the cases.
2. B.
   Impulse will be same for both the cases but the average force will be different.
3. C.
   Average force will be same for both the cases but the impulse will be different.
4. D.
   Average force and impulse will be different for both the cases.

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1. A.
   The series limit of Lyman series, third member of balmer series and second member of paschen series
2. B.
   The first member of the Lyman series, third member of Balmer series and second member of paschen series
3. C.
   The ionization potential of hydrogen, second member of Balmer series and third member of Paschen series
4. D.
   The series limit of Lyman series, second member of Balmer series and second member of Paschen series.

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1. A.
   $18\Omega$
2. B.
   $25\Omega$
3. C.
   $27\Omega$
4. D.
   $19\Omega$

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1. A.
   $\sqrt{\frac{2qE\mathcal{l}}{m}}$
2. B.
   $\sqrt{\frac{qE\mathcal{l}}{4m}}$
3. C.
   $\sqrt{\frac{qE\mathcal{l}}{m}}$
4. D.
   $\sqrt{\frac{qE\mathcal{l}}{2m}}$

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