1. | is constant in magnitude only. |
2. | is constant in direction. |
3. | is constant in magnitude and direction. |
4. | varies, both, in magnitude and direction. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA ball is dropped vertically from height \(h\) and bounces elastically on the floor (see figure). Which of the following plots best depicts the acceleration of the ball as a function of time?
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | ![]() |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology(A) | \(A\) = distance travelled by \(B\) | distance travelled by
(B) | \(A\) = \(\dfrac12\) acceleration time of \(B\) | acceleration time of
(C) | \(A\) with respect to \(B\) is always positive | relative velocity of
(D) | \(A\) = \(2×\) deceleration time of \(B\) | deceleration time of
1. | (A) is True. |
2. | (A), (B) are True. |
3. | (A), (B), (C) are True. |
4. | (B), (C), (D) are True. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | \(1~\text{m/s}\) along the positive \(x\)-axis |
2. | \(1~\text{m/s}\) along the negative \(x\)-axis |
3. | \(\dfrac{1}{\sqrt2} ~\text{m/s}\) along the positive \(x\)-axis |
4. | \(\dfrac{1}{\sqrt2}~\text{m/s}\) along the negative \(x\)-axis |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the following displacement \((x)\) versus time \((t)\) graph, at which points \(P, Q\) and \(R\) will the object's speed be increasing?
1. \(R\) only
2. \(P\) only
3. \(Q\) and \(R\) only
4. \(P,Q,R\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe accompanying graph of position \((x)\) versus time \((t)\) represents the motion of a particle. If \(p\) and \(q\) are both positive constants, the expression that best describes the acceleration of the particle is:
1. \(a=-p-qt\)
2. \(a=-p+qt\)
3. \(a=p+qt\)
4. \(a=p-qt\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | \(\large\frac{v_2-v_1}{2}\) | 2. | \(\large\frac{v_2+v_1}{2}\) |
3. | \({v_2-v_1}\) | 4. | \({v_2+v_1}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA ball is thrown vertically upward and it reaches the highest point in \(4~\text s.\) Immediately, a second ball is thrown upwards with an initial speed that is twice that of the first. The second ball meets the first after a time:
1. \(1~\text s\)
2. \(2~\text s\)
3. \(3~\text s\)
4. \(4~\text s\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | \(10~\text{m}\) | 2. | \(15~\text{m}\) |
3. | \(20~\text{m}\) | 4. | \(25~\text{m}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology