Medium
The potential energy $U$ between two molecules as a function of the distance $X$ between them is shown in the figure. The two molecules are
- AAttracted when $x$ lies between $A$ and $B$ and are repelled when $X$ lies between $B$ and $C$
- BAttracted when $x$ lies between $B$ and $C$ and are repelled when $X$ lies between $A$ and $B$
- CAttracted when they reach $B$
- DRepelled when they reach $B$
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Similar Questions
The stress-strain curves are drawn for two different materials $X$ and $Y$. It is observed that the ultimate strength point and the fracture point are close to each other for material $X$ but are far apart for material $Y$. We can say that materials $X$ and $Y$ are likely to be (respectively)
The stress-strain graphs for two materials $A$ and $B$ are shown in the figure. The graphs are drawn to the same scale. Select the correct statement.
Medium
View SolutionThe stress-strain graphs for materials $A$ and $B$ are shown in the figure. The graphs are drawn to the same scale.
$(a)$ Which of the materials has the greater Young's modulus?
$(b)$ Which of the two is the stronger material?
$(a)$ Which of the materials has the greater Young's modulus?
$(b)$ Which of the two is the stronger material?
Medium
View SolutionThe stress-strain graph of two wires $A$ and $B$ is shown in the figure. If $Y_{A}$ and $Y_B$ are Young's moduli of materials of wires $A$ and $B$ respectively, then
In plotting stress versus strain curves for two materials $P$ and $Q$,a student by mistake puts strain on the $y$-axis and stress on the $x$-axis as shown in the figure. Then the correct statement$(s)$ is(are):
$(A)$ $P$ has more tensile strength than $Q$
$(B)$ $P$ is more ductile than $Q$
$(C)$ $P$ is more brittle than $Q$
$(D)$ The Young's modulus of $P$ is more than that of $Q$
$(A)$ $P$ has more tensile strength than $Q$
$(B)$ $P$ is more ductile than $Q$
$(C)$ $P$ is more brittle than $Q$
$(D)$ The Young's modulus of $P$ is more than that of $Q$
MediumIIT 2015
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