Assertion :Acceleration of charged particle in non-uniform electric field does not depend on velocity of charge particle. Reason: Charge is an invariant quantity. That is amount of charge on particle does not depend on frame of reference.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
$\to a = \frac{q \to E}{m}$ as $\to E$ varies so does $\to a$ , it does not depend on its velocity.

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Reason: $B e^{2 +}$ and $A l^{3 +}$ have nearly the same charge/volume ratios and similar polarising power.

Assertion: A proton and an $α$ - particle are projected with the same kinetic energy at right angle to a uniform magnetic field, then the $α$ - particle will move along a circular path of smaller radius than the proton.

Reason : $B q v = \frac{m v^{2}}{r}$ holds good for the charged particle moving in a circular path in a uniform magnetic field.

Choose the most appropriate correct option:

Assertion

Lithium sulphate does not form alums.

Reason

$L i^{+}$ is too small to form a stable lattice required for double-salt/alum formation.

Assertion (A) p-nitrophenol is more acidic than phenol.
Reason (R) Nitro group helps in the stabilisation of the phenoxide ion by dispersal of negative charge due to resonance.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Assertion (A) Order of the reaction can be zero or fractional.

Reason (R) We cannot determine order from balanced chemical equation.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

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Assertion :Acceleration of charged particle in non-uniform electric field does not depend on velocity of charge particle. Reason: Charge is an invariant quantity. That is amount of charge on particle does not depend on frame of reference.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion→a=q→Em as →E varies so does →a, it does not depend on its velocity.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
$\to a = \frac{q \to E}{m}$ as $\to E$ varies so does $\to a$ , it does not depend on its velocity.