NEET 2021 | NEET Year Wise Previous Years Questions

A small block slides down on a smooth inclined plane, starting from rest at time t = 0. Let S_n be the distance travelled by the block in the interval t = n $$-$$ 1 to t = n. The the ratio $${{{S_n}} \over {{S_{n + 1}}}}$$ is :

$${{2n} \over {2n - 1}}$$

$${{2n - 1} \over {2n}}$$

$${{2n - 1} \over {2n + 1}}$$

$${{2n + 1} \over {2n - 1}}$$

NEET 2021

MCQ (Single Correct Answer)

-1

The velocity of a small ball of mass M and density d, when dropped in a container filled with glycerin becomes constant after some time. If the density of glycerin is $${d \over 2}$$, then the viscous force acting on the ball will be :

2Mg

$${{Mg} \over 2}$$

$${{3} \over 2}$$Mg

NEET 2021

MCQ (Single Correct Answer)

-1

Column - I gives certain physical terms associated with flow of current through a metallic conductor. Column-II gives some mathematical relations involving electrical quantities. Match column-I and column-II with appropriate relations.

	Column - I		Column - II
(A)	Drift Velocity	(P)	$${m \over {n{e^2}p}}$$
(B)	Electrical Resistivity	(Q)	$$ne{\upsilon _d}$$
(C)	Relaxation Period	(R)	$${{eE} \over m}\tau $$
(D)	Current Density	(S)	$${E \over J}$$

(A)-(R); (B)-(Q); (C)-(S); (D)-(P)

(A)-(R); (B)-(S); (C)-(P); (D)-(Q)

(A)-(R); (B)-(S); (C)-(Q); (D)-(P)

(A)-(R); (B)-(P); (C)-(S); (D)-(Q)

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