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A wire of length 60cm and mass 16gm is suspended by a pair of flexible leads an a magnetic field of induction 0.6 weber/metre2 as shown. What is the magnitude and direction of the current required to remove the tension in the ...

Be sure to read the problem clearly. A bag contains 6 balls of different unknown colors. Probability for A and B speaking truth are p and q respectively. A ball is drawn and both cofirm it to be RED. What is the probability t ...

Aldehyde/ketone + HX → No reaction. Why? ...

prove that the straight lines ax+(b+c)y+d=0,bx+(c+a)y+d=0 and cx+(a+b)y+d=0 are concurrent? ...

find the magnitude of the angle which the line y=-x makes with the positive direction of the x-axis? ...

find the condition that the lines xcosα+ysinα=p,xcosβ+ysinβ=q and y=xtanθ may be concurrent? ...

if ab+bc+ca=0,show that the lines x/a+y/b=1/c, x/b+y/c=1/a, and x/c+y/a=1/b are concurrent? ...

find the area of the triangle which the straight line 3x+4y-12=0forms with the co-ordinate axes? ...

*Image* ...really good question,,,,took me some time to get into it ! ...

find the co-ordinates of the foot of the perpendicular drawn from the point (2,-5) on the straight line x=y+1 ? ...

show that the equation of the straight line passing through (acos3θ,asin3θ) and perpendicular to the straight line xsecθ+ycosecθ=a is xcosθ-ysinθ=acos2θ ? ...

a straight line AB intersects the y-axis at B and the perpendicular to AB at B intersects the x-axis at C.If the equation of the straight line AB is x/3-y/4=-1 find the co-ordinates of the point C ? ...

if the co-ordinates of the points P,Q,R are respectively (-7,5),(3,8),(-5,13) and if RN is perpendicular to PQ and RT parallel to PQ, find the equations of RN and RT ? ...

solid cube half immersed in water has time period of small vertical oscillation equal to p/5 s(p means pie).find mass of body.. ...

A small block of mass m is kept on a rough inclined surface of inclination "theta" fixed in an elevator.the elevator slide on the wedge. The work done by friction on the block in time t is: Ans: mgvtsin^2[ theta] reply soon!! ...

Q1Boron readily dissolves in a)conc HCl b)fused NaOH at 673K c)fused Na2CO3 +NaNO3 at 1173K d)mixture of conc. HNO3 and conc. H2SO4 (1:2) Q2 Nitrogen can combine at higher temp directly to give nitrides with a)Mg b)Al c)Zn d) ...

In a triangle with BC = 3 & AC = 4 & circle with AB as diameter passes thru the centroid of a triangle then AB is (A) 5 (B) 5 (C) 3 (D) None ...

Which is stable towards Hydrolysis? SiCl4 PF3 NCl3 NF3 ...

ncert ques...... Why elements of first transition series possess many properties different from those of heavier transition elements. ...

Please can anyone please show me a detailed explanation of the method to find the co-eff. of x11 in the expansion : (1+x+x2+x3+.......+x6)3 ...

the estimated value of 1/1000 + 1/1001 + 1/1002 +.............. 1/2000 ...

If - Z= \frac{1}{^nC_0} + \frac{1}{^nC_1} +....+ \frac{1}{^nC_n} Then, find the value of - Z= \frac{1}{^nC_1} + \frac{2}{^nC_2} + \frac{3}{^nC_3}+....+ \frac{n}{^nC_n} in terms of "n" and "Z". ...

Ques) Find the solution of x + y dy/dx/y - x dy/dx = x sin 2 (x2+y2)/y3 . ...

*Image* Plzz help me in drawing all possible structures of rearranged carbo cations of the given carbo cation . ...

Which has electrovalent covalent coordinate as well as Hydrogen bond? CuSO4.5H2O ZnSO4.7H2O FeSO4.7H2O FeCl3.6H2O ...

One lady who made a living by selling eggs had 90 eggs which she wanted to sell, so she sent her three daughters to the market, giving 10 eggs to her eldest and cleverest daughter, 30 to the second and 50 to the third. 'You'd ...

If f(x+y+z)=f(x)+f(y)+f(z) with f(1)=1,f(2)=2 and x,y,z εR,thne evaluate \lim_{n\rightarrow\infty }\frac{\sum_{r=1}^{n}{(4r).f(3r)}}{n^3} ...

AgCl is col-less while AgI is yellow. ... coz.. a) there's d-d transition in AgI but not in AgCl. b) the polarisability of Cl is less , covalent contributiob is less , so it is white. c) col of AgI is coz of transfre of elect ...

Q1 True statements regarding copper sulfate a)it reacts with NaOH and glucose to give Cu2O b)it reacts with KCl to give Cu2O c)it gives CuO on st. heating in air d)it reacts with KI to give brown color *More than one correct* ...

The no. of irrational solutions of the equation - \sqrt{x^2 + \sqrt{x^2 + 11}} + \sqrt{x^2 - \sqrt{x^2 + 11}} = 4 are - a) 0 b) 2 c) 4 d) Infinite ...