Question:
The length of a metal wire is l1, when the tension in it is T1, and is l2 when the tension is T2. The natural length of wire is
The length of a metal wire is l1, when the tension in it is T1, and is l2 when the tension is T2. The natural length of wire is
Updated On: Sep 15, 2024
- \(\frac{l_1+l_2}{2}\)
- \(\sqrt{l_1l_2}\)
- \(\frac{l_1T_2-l_2T_1}{T_2-T_1}\)
- \(\frac{l_1T_2+l_2T_1}{T_2+T_1}\)
Hide Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
The correct option is (C) : \(\frac{l_1T_2-l_2T_1}{T_2-T_1}\)
Was this answer helpful?
0
0
Top Questions on Centre of mass
- Three blocks A, B and C are pulled on a horizontal smooth surface by a force of 80 N as shown in figure
The tensions T1 and T2 in the string are respectively:- JEE Main - 2024
- Physics
- Centre of mass
- Two solid spheres each of mass 2 kg and radius 75 cm are arranged as shown. Find MOI of the system about the given axis.
- JEE Main - 2024
- Physics
- Centre of mass
Find the value of m if \(M = 10\) \(kg\). All the surfaces are rough.
- JEE Main - 2024
- Physics
- Centre of mass
- Three identical spheres each of mass $M$ are placed at the corners of a right angled triangle with mutually perpendicular sides equal to $3 m$ each Taking point of intersection of mutually perpendicular sides as origin, the magnitude of position vector of centre of mass of the system will be $\sqrt{ x } m$ The value of $x$ is
- JEE Main - 2023
- Physics
- Centre of mass
As per the given figure, a small ball $P$ slides down the quadrant of a circle and hits the other ball $Q$ of equal mass which is initially at rest Neglecting the effect of friction and assume the collision to be elastic, the velocity of ball $Q$ after collision will be :$\left( g =10 \,m / s ^2\right)$
- JEE Main - 2023
- Physics
- Centre of mass
View More Questions
Questions Asked in BCECE exam
- Instantaneous displacement current of 1.0A in the space between the parallel plates of 1μF capacitor can be established by changing the potential difference of:
- BCECE - 2023
- Electromagnetic waves
- What is the r.m.s value of an alternating current which when passed through a resistor produces heat, which is four times that produced by a current of 2A in the same resistor?
- BCECE - 2023
- Alternating current
- In the displacement method of \(l_1\) and \(l_1\) be the sizes of two images, then the size of the object is:
- BCECE - 2023
- Ray optics and optical instruments
- A beaker is a field with water (μ=\(\frac{4}{3}\)) up to a height of 33.25cm. A concave mirror is placed 15 cm above the water level and the image of an object placed at the bottom is formed 25cm below the water level. The focal length of the mirror is nearly :
- BCECE - 2023
- Ray optics and optical instruments
- An air doubble is inside water (μ=\(\frac{4}{3}\)). At what distance from the air bubble should a point object be placed so as to form a real image at the same distance from the dubble? (r is the radius of curvature of the bubble)
- BCECE - 2023
- Ray optics and optical instruments
View More Questions