Recent questions tagged ch10

Reduce the following equation into intercept form and find their intercepts on the axes $3y+2=0$

asked May 7, 2014 by thanvigandhi_1

1 answer

Two steel wire are hang from roof.Their length and radius are in the ratio 3 : 5 and 1 : 2 respectively.If the extension in first wire is 2mm,what is extension in other if force applied is in the ratio 2 : 3?

asked May 7, 2014 by sreemathi.v

1 answer

Reduce the following equation into intercept form and find their intercepts on the axes $4x-3y=6$

asked May 7, 2014 by thanvigandhi_1

1 answer

A mass of 1kg is attached to the end of a rubber string 25cm long having radius 2mm,which is rotating in horizontal plane in a radius of 28cm with 50rpm.What is young modulus of string in $N/m^2$

asked May 7, 2014 by sreemathi.v

1 answer

Reduce the following equation into intercept form and find their intercepts on the axes $3x+2y-12=0$

asked May 7, 2014 by thanvigandhi_1

1 answer

A wire of r=1cm consist of 1m steel and 2m copper respectively.Total extension when a force applied is 1mm.Find the force is $Y_{cu}=1.1\times 10^{11}N/m^2,Y_{steel}=2\times 10^{11}N/m^2$.

asked May 7, 2014 by sreemathi.v

1 answer

Reduce the following equation into slope - intercept form and find their slopes and the $y$ - intercepts. $y=0$

asked May 7, 2014 by thanvigandhi_1

1 answer

2 wire of length 1 : 2 and area in the ratio 2 : 1 is applied with equal force stretch equally .Find the ratio of modulus of rigidity

asked May 7, 2014 by sreemathi.v

1 answer

Reduce the following equation into slope - intercept form and find their slopes and the $y$ - intercepts. $6x+3y-5=0$

asked May 7, 2014 by thanvigandhi_1

1 answer

The breaking stress of aluminium is $7\times 10^7N/m^2$.Find the maximum length of wire that can be hang with out breaking if density of aluminium is $3\times 10^3Kgm^{-3}$

asked May 7, 2014 by sreemathi.v

1 answer

Reduce the following equation into slope - intercept form and find their slopes and the $y$ - intercepts. $x+7y=0$

asked May 7, 2014 by thanvigandhi_1

1 answer

Calculate change in volume percentage if we apply a pressure of 50atm on a material of Bulk modulus $2\times 10^{11}N/m^2$.

asked May 7, 2014 by sreemathi.v

1 answer

If $Y_{Steel}=2\times 10^{11}N/m^2$ ,what force must be applied to steel rod of $l=2m$ and $r=2mm$ to stretch it by 1mm

asked May 7, 2014 by sreemathi.v

1 answer

Among rubber and steel which is more elastic

asked May 7, 2014 by sreemathi.v

1 answer

Each side of a cube is decreased by 2% when a pressure of $3\times 10^6N/m^2$ is applied.What is bulk modulus of cube.

asked May 7, 2014 by sreemathi.v

1 answer

A 50KN force is applied on a table,the length of four legs of table is 2m each and of radius 5cm.If young modulus of material of table is $5\times 10^{10}N/m^2$.Find the decrease in length in a leg of table.

asked May 7, 2014 by sreemathi.v

1 answer

A steel rod of r=30mm and length 3m.A 50 KN force is applied along its length.Calculate the change in length is $Y=2\times 10^{11}N/m^2$

asked May 7, 2014 by sreemathi.v

1 answer

A steel wire of 8m in length is stretched by 1mm of cross sectional area $2mmm^2$ .If young modulus of steel is $2\times 10^{11}N/m^2$.What is elastic potential energy?

asked May 7, 2014 by sreemathi.v

1 answer

A 3cm cube has its upper face displaced by 0.1cm by a tangential force.If modulus of rigidity of material is $5\times 10^4N/m^2$.Find the force

asked May 7, 2014 by sreemathi.v

1 answer

If 5litre of ideal gas is compressed isothermally at 800mm Hg to 2 litre.Find its stress?

asked May 7, 2014 by sreemathi.v

1 answer

If we increases the pressure by 20atm on a sphere which is made up of material of bulkmodulus $5.2\times 10^{10}N/m^2$,what is change in volume percentage?

asked May 7, 2014 by sreemathi.v

1 answer

Two wires of same material have radius in the ratio 2 : 1 and length in the ratio 1 : 2.If equal force is applied on them then ratio of stress is

asked May 7, 2014 by sreemathi.v

1 answer

A steel wire of l=15m and r=1mm is stretched by a unknown force F.If young modulus of steel wire is $2.4\times 10^{11}N/m^2$ and change in length is $5\times 10^{-2}mm$

asked May 7, 2014 by sreemathi.v

1 answer

Find the point of intersection of the line $4x-3y-10=b$ and circle $x^2+y^2-2x+4y-20=0$

asked Apr 8, 2014 by meena.p

1 answer

There are 10 points in a plane out of these 6 are collinear. If N is the number of triangle formed by joining these points. Then

asked Apr 8, 2014 by meena.p

1 answer

The line $p(p^2+1)x-y+q=0$ and $ (p^2+1)^2x +(p^2+1)y+2q=0$ are perpendicular to a common line for

asked Apr 8, 2014 by meena.p

1 answer

The shortest distance between the line $y-x=1$ and the curve $x=y^2$ is

asked Apr 8, 2014 by meena.p

1 answer

The perpendicular bisector of the line segment joining $P(1,4)$ and $Q(K,3)$ has y-intercept $-4$, Then a possible value of $k$ is

asked Apr 8, 2014 by meena.p

1 answer

A straight line through the point $A(3,4)$ is such that its intercept between the axis is bisected at A. Its equation is

asked Apr 8, 2014 by meena.p

1 answer

If one of the lines given by $6x^2-xy+4cy^2=0$ is $3x+4y=0$ then c equals

asked Apr 8, 2014 by meena.p

1 answer

If the sum of the slopes of the lines given by $x^2-2cxy-7y^2=0$ is four times their product c has the value.

asked Apr 8, 2014 by meena.p

1 answer

Let $A(2,3)$ and $B(-2,3)$ be vertices of a triangle ABC. If the centriod of this triangle moves on the line $2x+3y=1$ then the locus of the vertex C is the line .

asked Apr 8, 2014 by meena.p

1 answer

Locus of centriod of the triangle whose vertices are $(a \cos t, a \sin t),(b \sin t,-b \cos t)$ and $(1,0)$ where t is a parameter is

asked Apr 8, 2014 by meena.p

1 answer

If the pair of straight lines $x^2-2pxy-y^2=0$ and $x^2-2qxy-y^2=0$ be such that each pair bisects the angle between the other pair then,

asked Apr 8, 2014 by meena.p

1 answer

The pair of lines represented by $3ax^2+5xy+(a^2-2)y^2=0$ are perpendicular to each other for

asked Apr 8, 2014 by meena.p

1 answer

If the pair of lines $ax^2+2hxy +by^2+2gx+ 2fy+c=0$ intersect on the y-axis then

asked Apr 8, 2014 by meena.p

1 answer

A triangle with vertices $(4,0),(-1,-1),(3,5)$ is

asked Apr 8, 2014 by meena.p

1 answer

If a,b and c are in A.P thin the straight line $ax+by+c=0$ will always pass through line $ax+by+c=0$ will always pass through a fixed point whose coordinates are

asked Apr 8, 2014 by meena.p

1 answer

Given the points $A(0,4)$ and $B(0,-4)$ the equation of the locus of the point $P(x,y)$ such that $|AP-BP|=6$ is

asked Apr 8, 2014 by meena.p

1 answer

The set of lines $ax+by+c=0$ where $3a+2b+4c=0$ is concurrent at the point.

asked Apr 8, 2014 by meena.p

1 answer

During cytokinesis in plant cells, the cell plate is formed by the fusion of vesicles derived from which of the following ?

asked Apr 3, 2014 by pady_1

1 answer

Actin filaments and microtubules share all of the following properties except

asked Apr 3, 2014 by pady_1

1 answer

the specialized structures located at the ends of eukaryotic chromosomes are called

asked Apr 3, 2014 by pady_1

1 answer

In which of the following process, type-B cyclin proteins are not required ?

asked Apr 3, 2014 by pady_1

1 answer

Apoptosis or programmed cell death, is executed by a group of proteases called

asked Apr 3, 2014 by pady_1

1 answer

The stage between first and second meiotic divisions with no DNA synthesis is called _ and is __-lived

asked Mar 24, 2014 by pady_1

2 answers

The figure below represents what stage of a cell cycle ?

asked Mar 24, 2014 by pady_1

1 answer

Which of the following is true? Meiosis a. results in conservation of chromosome number across generations b. reduction of chromosome number c. increases variability in species d. important for cell repair

asked Mar 24, 2014 by pady_1

1 answer

crosssing over is mediated by the enzyme

asked Mar 24, 2014 by pady_1

1 answer

Which of the following is NOT true? Pachytene is

asked Mar 24, 2014 by pady_1

1 answer

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