Chapter 14 – Solid Mechanics
Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 14 - Solid Mechanics
Two wires are made of the same material and have the same volume. The first wire has cross-sectional area A and second wire has cross-sectional area 3A. If the length of first wire increased by Δl on applying force F, how much force is needed to stretch second wire by the same amount?
29
Aug
Two wires are made of the same material and have the same volume. The first wire has cross-sectional area A and second wire has cross-sectional area 3A. If the length of first wire increased by Δl on applying force F, how much force is needed to stretch second wire by the same amount? the length [...]
A copper rod of 88 cm and an aluminium rod of unknown length have their increase in length independent of increase in temperature. The length of aluminium rod is :
29
Aug
A copper rod of 88 cm and an aluminium rod of unknown length have their increase in length independent of increase in temperature. The length of aluminium rod is : A copper rod of 88 cm and an aluminium rod of unknown length have their increase in length independent of increase in temperature. The length [...]
When a block of mass M is suspended by a long wire of length L, the length of the wire becomes (L+l). The elastic potential energy stored in the extended wire is
29
Aug
When a block of mass M is suspended by a long wire of length L, the length of the wire becomes (L+l). The elastic potential energy stored in the extended wire is the length of the wire becomes (L+l). The elastic potential energy stored in the extended wire is When a block of mass M [...]
The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied?
29
Aug
The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied? The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied? August 29, 2020 Category: Chapter 14 - [...]
Copper of fixed volume ‘V’ is drawn into wire of length ‘l’. When this wire is subjected to a constant force ‘F’, the extension produced in the wire is ′Δl′. Which of the following graph is a straight line?
29
Aug
Copper of fixed volume ‘V’ is drawn into wire of length ‘l’. When this wire is subjected to a constant force ‘F’, the extension produced in the wire is ′Δl′. Which of the following graph is a straight line? Copper of fixed volume 'V' is drawn into wire of length 'l'. When this wire is [...]
The approximate depth of an ocean is 2700 m. The compressibility of water is 45.4 × 10^−11 Pa^−1 and density of water is 10^3kg/m^3. What fractional compression of water will be obtained at the bottom of the ocean?
29
Aug
The approximate depth of an ocean is 2700 m. The compressibility of water is 45.4 × 10^−11 Pa^−1 and density of water is 10^3kg/m^3. What fractional compression of water will be obtained at the bottom of the ocean? The bulk modulus of a spherical object is B. If it is subjected to uniform pressure p [...]
Coefficient of linear expansion of brass and steel rods are α1 and α2. Lengths of brass and steel rods are l1 and l2 respectively. If (l2 − l1) is maintained same at all temperatures, which one of the following relations holds good?
29
Aug
Coefficient of linear expansion of brass and steel rods are α1 and α2. Lengths of brass and steel rods are l1 and l2 respectively. If (l2 − l1) is maintained same at all temperatures, which one of the following relations holds good? Coefficient of linear expansion of brass and steel rods are α1 and α2. [...]
The bulk modulus of a spherical object is B. If it is subjected to uniform pressure p, the fractional decrease in radius is.
29
Aug
The bulk modulus of a spherical object is B. If it is subjected to uniform pressure p, the fractional decrease in radius is. The bulk modulus of a spherical object is B. If it is subjected to uniform pressure p the fractional decrease in radius is. August 29, 2020 Category: Chapter 14 - Solid Mechanics [...]