Chapter 7: Problem 1055
Oxygen boils at \(183^{\circ} \mathrm{C}\). This temperature is approximately. (A) \(215^{\circ} \mathrm{F}\) (B) \(-297^{\circ} \mathrm{F}\) (C) \(329^{\circ} \mathrm{F}\) (D) \(361^{\circ} \mathrm{F}\)
Chapter 7: Problem 1055
Oxygen boils at \(183^{\circ} \mathrm{C}\). This temperature is approximately. (A) \(215^{\circ} \mathrm{F}\) (B) \(-297^{\circ} \mathrm{F}\) (C) \(329^{\circ} \mathrm{F}\) (D) \(361^{\circ} \mathrm{F}\)
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Get started for freeThe resistance of a resistance thermometer has values \(2.71\) and $3.70 \mathrm{ohm}\( at \)10^{\circ} \mathrm{C}\( and \)100^{\circ} \mathrm{C}$. The temperature at which the resistance is \(3.26 \mathrm{ohm}\) is (A) \(40^{\circ} \mathrm{C}\) (B) \(50^{\circ} \mathrm{C}\) (C) \(60^{\circ} \mathrm{C}\) (D) \(70^{\circ} \mathrm{C}\)
The fraction of floating object of volume \(\mathrm{V}_{0}\) and density \(\mathrm{d}_{0}\) above the surface of a Liquid as density \(\mathrm{d}\) will be (A) \(\left(\mathrm{d}_{0} / \mathrm{d}\right)\) (B) $\left[\left\\{\mathrm{dd}_{0}\right\\} /\left\\{\mathrm{d}+\mathrm{d}_{0}\right\\}\right]$ (C) \(\left[\left\\{d-d_{0}\right\\} / d\right]\) (D) $\left[\left\\{\mathrm{dd}_{0}\right\\} /\left\\{\mathrm{d}-\mathrm{d}_{0}\right\\}\right]$
Two small drops mercury, each of radius \(\mathrm{r}\), coalesces the form a single large drop. The ratio of the total surface energies before and after the change is. (A) \(1: 2^{(1 / 2)}\) (B) \(2^{(1 / 3)}: 1\) (C) 2: 1 (D) \(1: 2\)
Read the assertion and reason carefully and mark the correct option given below. (a) If both assertion and reason are true and the reason is the correct explanation of the assertion. (b) If both assertion and reason are true but reason is not the correct explanation of the assertion. (c) If assertion is true but reason is false. (d) If the assertion and reason both are false. Assertion: When height of a tube is less then liquid rise in the capillary tube the liquid does not overflow. Reason: Product of radius of meniscus and height of liquid incapilling tube always remains constant. (A) a (B) \(b\) (C) c (D) d
If the excess pressure inside a soap bubble is balanced by oil column of height \(2 \mathrm{~mm}\) then the surface tension of soap solution will be. \((\mathrm{r}=1 \mathrm{~cm}\) and density $\mathrm{d}=0.8 \mathrm{gm} / \mathrm{cc})$ (A) \(3.9 \mathrm{~N} / \mathrm{m}\) (B) \(3.9 \times 10^{-2} \mathrm{~N} / \mathrm{m}\) (C) \(3.9 \times 10^{-3} \mathrm{~N} / \mathrm{m}\) (D) \(3.9 \times 10^{-1} \mathrm{~N} / \mathrm{m}\)
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