- 1(current)
Q. No.A closed container of water at \(30^\circ \text{C}\) is opened while on the surface of the moon. What will happen to the water?
| 1. | The water will boil. |
| 2. | The water will form a spherical ball. |
| 3. | The water will freeze. |
| 4. | The water will split (break down) into hydrogen and oxygen. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
| 1. | \(l+\Delta l\) | 2. | \(l+\dfrac{\Delta l}{2}\) |
| 3. | \(l+\dfrac{\Delta l}{4}\) | 4. | \(l+\dfrac{3\Delta l}{4}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \(5 \alpha \) | 2. | \(\dfrac{3 \alpha}{5} \) |
| 3. | \(\dfrac{5 \alpha}{3} \) | 4. | \(15 \alpha\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo identical balls, \(A\) and \(B\) of uniform composition are initially at the same temperature, each absorbs exactly the same amount of heat. Ball \(A\) is hanging down from the ceiling by a massless inextensible thread while ball \(B\) rests on the horizontal floor in the same room. Assuming no subsequent heat loss by the balls, which of the following statements is correct about their final temperatures, \(T_A\) and \(T_B,\) once the balls have reached their final dimension?
1. \(T_A<T_B\)
2. \(T_A>T_B\)
3. \(T_A=T_B\)
4. \(T_A\leq T_B\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe thermal expansion of a solid is due to the:
| 1. | symmetric characteristic of the interatomic potential energy curve of the solid. |
| 2. | asymmetric characteristic of the interatomic potential energy curve of the solid. |
| 3. | double good nature of the interatomic potential energy curve of the solid. |
| 4. | rotational motion of the atoms of the solid. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
| 1. | \({\Large\gamma}_L\theta\times{\large p}_0 ~\) |
| 2. | \({\Large\frac{\theta}{273}}{\large p}_0\) |
| 3. | \({\dfrac{{\Large\gamma}_L\theta}{273}}{\large p}_0\) |
| 4. | \(\Big({\Large\gamma}_L\theta+{\Large\frac{\theta}{273}}\Big){\large p}_0 \) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | is \(2\alpha\) |
| 2. | is \(4\alpha\) |
| 3. | can be any value between \(\alpha\) and \(3\alpha\) |
| 4. | can be any value between \(2\alpha\) and \(3\alpha\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \(L(1+\gamma\theta)\) | 2. | \(L\left(1+\dfrac\gamma2\theta\right)\) |
| 3. | \(L\left(1+\dfrac\gamma3\theta\right)\) | 4. | \(L\left(1+\dfrac{2\gamma}3\theta\right)\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA rod \(\mathrm{A}\) has a coefficient of thermal expansion \((\alpha_A)\) which is twice of that of rod \(\mathrm{B}\) \((\alpha_B)\). The two rods have length \(l_A,~l_B\) where \(l_A=2l_B\). If the two rods were joined end-to-end, the average coefficient of thermal expansion is:
| 1. | \(\alpha_A\) | 2. | \(\dfrac{2\alpha_A}{6}\) |
| 3. | \(\dfrac{4\alpha_A}{6}\) | 4. | \(\dfrac{5\alpha_A}{6}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(1:1\)
2. \(2:1\)
3. \(1:2\)
4. \(3:1\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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