Consider the following statements.
A. | The coefficient of linear expansion has dimension K–1 |
B. | The coefficient of volume expansion has dimension K–1 |
1. | A and B are both correct. |
2. | A is correct but B is wrong. |
3. | A is wrong but B is correct |
4. | Both are wrong |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA metal sheet with a circular hole is heated. The hole:
1. gets larger
2. gets smaller
3. remains of the same size
4. gets deformed
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo identical rectangular strips, one of copper and the other of steel, are riveted together to form a bimetallic strip (αcopper > αsteel). On heating, this strip will:
1. | remain straight. |
2. | bend with copper on convex side. |
3. | bend with steel on convex side. |
4. | get twisted. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf the temperature of a uniform rod is slightly increased by Δt, its moment of inertia I about a perpendicular bisector increases by
1. zero
2. αIΔt
3. 2 αIΔt
4. 3 αIΔt
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf the temperature of a uniform rod is slightly increased by Δt, its moment of inertia I about a line parallel to itself will increase by
1. zero
2. αIΔt
3. 2 αIΔt
4. 3 αIΔt
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe temperature of water at the surface of a deep lake is \(2^{\circ} \mathrm{C}\). The temperature expected at the bottom is:
1. \(0^{\circ} \mathrm{C}\)
2. \(2^{\circ} \mathrm{C}\)
3. \(4^{\circ} \mathrm{C}\)
4. \(6^{\circ} \mathrm{C}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn aluminium sphere is dipped into water at 10°C. If the temperature is increased, the force of buoyancy
1. will increase
2. will decrease
3. will remain constant
4. may increase or decrease depending on the radius of the sphere.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA solid object is placed in water contained in an adiabatic container for some time. The temperature of water falls during the period and there is no appreciable change in the shape of the object. The temperature of the solid object.
(a) | must have increased |
(b) | must have decreased |
(c) | may have increased |
(d) | may have remained constant. |
1. | (a), (b) |
2. | (a) only |
3. | (c), (d) |
4. | (a), (d) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAs the temperature is increased, the time period of a pendulum
(a) | increases proportionately with temperature |
(b) | increases |
(c) | decreases |
(d) | remains constant |
Choose the correct option
1. | (b) only |
2. | (a), (c) |
3. | (c), (d) |
4. | (a), (d) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology