- 1(current)
Q. No.A clock has a continuously moving second's hand of \(0.1~\text{m}\) length. The average acceleration of the tip of the second hand (in units of ms-2) is of the order of:
1. \(10^{-3}\)
2. \(10^{-4}\)
3. \(10^{-1}\)
4. \(10^{-2}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA particle moves at a constant speed along the circumference of a circle with a radius \(R,\) subject to a central fictitious force \(F\) that is inversely proportional to \(R^3.\) Its time period of revolution will be given by:
| 1. | \( T \propto R^2 \) | 2. | \( T \propto R^{\frac{3}{2}} \) |
| 3. | \( T \propto R^{\frac{5}{2}} \) | 4. | \(T \propto R^{\frac{4}{3}} \) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(-\frac{v^2}{R} \sin \theta \hat{i}+\frac{v^2}{R} \cos \theta \hat{j} \)
2. \(-\frac{v^2}{R} \cos \theta \hat{i}+\frac{v^2}{R} \sin \theta \hat{j} \)
3. \(-\frac{v^2}{R} \cos \theta \hat{i}-\frac{v^2}{R} \sin \theta \hat{j} \)
4. \(-\frac{v^2}{R} \hat{i}+\frac{v^2}{R} \hat{j}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe path of the particle will be:
1. circular
2. helical
3. parabolic
4. elliptical
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(4~\mathrm{m}\)
2. \(3~\mathrm{m}\)
3. \(2~\mathrm{m}\)
4. \(1~\mathrm{m}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \( \vec{v}_A=3 \hat{j}~\text{m/s} ;~\vec{a}_A=-9 \hat{i}~\text{m/s}^2\) |
| 2. | \( \vec{v}_A=-3 \hat{j}~\text{m/s};~\vec{a}_A=9 \hat{i}~\text{m/s}^2\) |
| 3. | \(\vec{v}_A=-3 \hat{i}~~\text{m/s};\vec{a}_A=9 \hat{j}~\text{m/s}^2\) |
| 4. | \(\vec{v}_A=3 \hat{i}~\text{m/s} ;~\vec{a}_A=9 \hat{j}~\text{m/s}^2 \) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(2:\sqrt3\)
2. \(\sqrt3:2\)
3. \(\sqrt3:1\)
4. \(\sqrt2:1\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(118.9\)
2. \(220.0\)
3. \(139.4\)
4. \(140.5\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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