A screw gauge has the least count of \(0.01~\text{mm}\) and there are \(50\) divisions in its circular scale. The pitch of the screw gauge is:
1. | \(0.25\) mm | 2. | \(0.5\) mm |
3. | \(1.0\) mm | 4. | \(0.01\) mm |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn certain vernier callipers, \(25\) divisions on the vernier scale have the same length as \(24\) divisions on the main scale. One division on the main scale is \(1\) mm long. The least count of the instrument is:
1. | \(0.04\) mm | 2. | \(0.01\) mm |
3. | \(0.02\) mm | 4. | \(0.08\) mm |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA light-year is a unit of:
1. | Time | 2. | Mass |
3. | Distance | 4. | Energy |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe angle of \(1^\circ\) (degree) will be equal to:
(Use \(360^\circ=2\pi\) rad)
1. \(1.034\times10^{-3}\) rad
2. \(1.745\times10^{-2}\) rad
3. \(1.524\times10^{-2}\) rad
4. \(1.745\times10^{3}\) rad
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn a vernier calliper, \(N\) divisions of vernier scale coincide with (\(N\text-1\)) divisions of the main scale (in which the length of one division is \(1\) mm). The least count of the instrument should be:
1. \(N~\text{mm}\)
2. \((N-1)~\text{mm}\)
3. \(\frac{1}{10N}~\text{cm}\)
4. \(\frac{1}{(N-1)}~\text{mm}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA screw gauge gives the following readings when used to measure the diameter of a wire:
Main scale reading: \(0\) mm
Circular scale reading: \(52\) divisions
Given that \(1\) mm on the main scale corresponds to \(100\) divisions on the circular scale, the diameter of the wire that can be inferred from the given data is:
1. | \(0.26\) cm | 2. | \(0.052\) cm |
3. | \(0.52\) cm | 4. | \(0.026\) cm |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA student measured the diameter of a small steel ball using a screw gauge of least count \(0.001\) cm. The main scale reading is \(5\) mm and zero of circular scale division coincides with \(25\) divisions above the reference level. If the screw gauge has a zero error of \(-0.004\) cm, the correct diameter of the ball is:
1. | \(0.521\) cm | 2. | \(0.525\) cm |
3. | \(0.053\) cm | 4. | \(0.529\) cm |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe pitch of a screw gauge is \(1~\)mm and there are \(100\) divisions on the circular scale. While measuring the diameter of a wire, the linear scale reads \(1\) mm and \(47\)th division on the circular scale coincides with the reference line. The length of the wire is \(5.6\) cm. Curved surface area (in cm2) of the wire in appropriate number of significant figures will be:
1. \(2.4\) cm2
2. \(2.56\) cm2
3. \(2.6\) cm2
4. \(2.8\) cm2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider a screw gauge without any zero error. What will be the final reading corresponding to the final state as shown?
It is given that the circular head translates \(P\) MSD in \({N}\) rotations. (\(1\) MSD \(=\) \(1~\text{mm}\).)
1. \( \left(\frac{{P}}{{N}}\right)\left(2+\frac{45}{100}\right) \text{mm} \)
2. \( \left(\frac{{N}}{{P}}\right)\left(2+\frac{45}{{N}}\right) \text{mm} \)
3. \(P\left(\frac{2}{{N}}+\frac{45}{100}\right) \text{mm} \)
4. \( \left(2+\frac{45}{100} \times \frac{{P}}{{N}}\right) \text{mm}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn an experiment, the height of an object measured by a vernier callipers having least count of \(0.01~\text{cm}\) is found to be \(5.72~\text{cm}\). When no object is there between jaws of this vernier callipers, the reading of the main scale is \(0.1\) cm and the reading of the vernier scale is \(0.3~\text{mm}\). The correct height of the object is:
1. \( 5.72 ~\text{cm} \)
2. \( 5.59~\text{cm} \)
3. \( 5.85~\text{cm} \)
4. \( 5.69~\text{cm} \)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology