Home
Class 12
PHYSICS
Three wires of lengths L(1),L(2),L(3) an...

Three wires of lengths `L_(1),L_(2),L_(3)` and Youngs moduli `Y_(1),Y_(2) and Y_(3)` respectively are pulled by a force F as shown in fig. The extensions produced in wires are `DeltaL_(1), DeltaL_(2), DeltaL_(3)`

Match the Column-I with Column-II
`{:(" Column-I"," Column-II"),("(A) If "9L_(2)=4L_(1) and DeltaL_(1)=DeltaL_(2)", then","(p) "Y_(2)=Y_(1)),("(B) If "L_(2) lt 4L_(3) and DeltaL_(2)=DeltaL_(2)", then","(q) "Y_(2)gt Y_(1)),("(C) If "DeltaL_(1)=DeltaL_(2) and L_(1)=L_(2)", then","(r) "Y_(2)ltY_(3)),("(D) If "L_(2)=L_(3) and DeltaL_(2)=DeltaL_(3)", then","(s) "4Y_(2)=Y_(3)):}`

Text Solution

Verified by Experts

The correct Answer is:
A(p), B(r), C(q), D(r, s)
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF SOLIDS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - G)|2 Videos

  • MECHANICAL PROPERTIES OF SOLIDS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - H)|2 Videos

  • MECHANICAL PROPERTIES OF SOLIDS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - E)|2 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    AAKASH INSTITUTE ENGLISH|Exercise SECTION - J|9 Videos

  • Mock test 03

    AAKASH INSTITUTE ENGLISH|Exercise EXAMPLE|44 Videos

Similar Questions

Explore conceptually related problems

Four rods of equal length l and mass m each forms a square as shown in figure Moment of inertia about three axes 1,2 and 3 are say I_(1),I_(2) and I_(3) . Then, match the following columns {:(,"Column-I",,"Column-II"),("(A)",I_(1),"(p)",(4)/(3)ml^(2)),("(B)",I_(2),"(q)",(2)/(3)ml^(2)),("(C)",I_(3),"(r)",(1)/(2)ml^(2)),(,,"(s)","None"):}

If l_(1), l_(2), l_(3) are respectively the perpendicular from the vertices of a triangle on the opposite side, then show that l_(1)l_(2) l_(3) =(a^(2)b ^(2) c^(2))/(8R^(3)).

If l, l_(1), l_(2) and l _(3) be respectively the radii of the in-circle and the three escribed circles of a Delta ABC, then find l_(1)l_(2) l_(3)-l(l_(1)l_(2) +l_(2) l_(3)+l_(1) l_(3)).

Match the following : {:(,"Column-I",,"Column-II"),((A),3s^(1),(p),n=3),((B), 3p^(1),(q), l=0),((C ), 4s^(1),(r ) , l=1),((D),4d^(1),(s),m=0),(,,(t),m=+-1):}

In the figure shown, there are two convex lenses L_(1) and L_(2) having focal. Lengths f_(1) and f_(2) respectively. The distance between L_(1) and L_(2) will be

Consider the lines given by L_(1):x+3y-5=0 L_(2):3x-ky-1=0 L_(3):5x+2y-12=0 Match the following lists.

Let l_(1) and l_(2) be the two lines which are normal to y^(2)=4x and tangent to x^(2)=-12y respectively (where, l_(1) and l_(2) are not the x - axis). Then, the product of the slopes of l_(1)and l_(2) is

A convex lens L_(1) and a concave lens L_(2) have refractive index (3)/(2) . Match the following two columns.

Two identical rods are pulled as shown in figure (1) and (2). The surface are smooth. If Deltal_(1) and Deltal_(2) are the elongations in two cases respectively, then find (Deltal_(2))/(Deltal_(1)) .

A wire of length l, area of cross section A and Young’s modulus of elasticity Y is stretched by a longitudinal force F. The change in length is Deltal Match the following two columns.

Home
Profile