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lim(x→0) (ex-e-x)/sinx ...

For two numbers AM = GM + 2, a/b=4. Find a ...

*Image* A capacitor is made of a flat plate of area A and a second plate having a stair-like structure as shown . The width of each stair is a and the height is b. Find the capacitance of the assembly. ...

Two point charges +q and -q are held fixed at points (-d,0) and (d,0) STATEMENT-1: No work is required to in bringing a test charge from infinity to origin. STATEMENT-2: Electric Potential at origin is zero. ...

Find the charge that will flow from shell A to earth in the second case. ...

STATEMENT-I: o-nitrophenol is more acidic than phenol STATEMENT-II: -NO2 is electron withdrawing group ...

Now if the shell B is earthed, What will be the amount of charge that will flow from shell B to earth. ...

The net force on the loop is ...

Which of the following cannot be prepared by Wurtz reaction? ...

Consider the following statements: (i) Kirchoff's Junction law follows from conservation of charge. (ii) Kirchoff's loop law follows from conservative nature of electric field. ...

The intermediate during the addition of HCl to propene in the presence of peroxide is ...

A man has 390000 rupees on retirement. He gets 5000 per month as pension. his expenditure of 1st month is 5000. His expenditure increases by Rs 500 every month. When will he be bankrupt? ...

when KI reacted with concentrated H2SO4 the products are ...

The number of roots of the equation 1+cos2θ=sin3θ in the interval [0,2π] is ...

Velocity time equation of a particle moving in a straight line is v=2t-4 for t<or equal to 2seconds and v=4-2t for t>2s . the distance travelled by the particle in the time inteval of t=0 to t=4s is ...

The two opposite coordinates of a square is A(1,2) and C(3,6) Area of the square is ...

STATEMENT-1: An emf can be induced by moving a conductor in a magnetic field STATEMENT-2: An emf can be induced by changing the magnetic field ...

STATEMENT-1: Always two tangent can be drawn from the point(1,k) (k is real) to the circle x2+y2-4x+3=0. STATEMENT-2: The point does not lie inside the circle. ...

If tanθ = 1/√7 , the value of (cosec2θ - sec2θ)/(cosec2θ + sec2θ) is closest to ...

A resistor R is connected to an ideal battery. STATEMENT-1: If R is decreased, power dissipated in the resistor will increase. STATEMENT-2: The potential difference across R remains same. ...

The eqn of median of ΔACD passing through A is ...

What is the value of tan1° tan2° tan3°.........tan 89° ...

sin2θ + cos4θ has minimum and maximum values of p and q respectively. Then the pair (p,q) is ...

STATEMENT-1: A quadrilateral inscribed in a parabola can be cyclic. STATEMENT-2: A circle can cut the parabola in four points ...

C3H9N cannot represent, ...

To convert the following compound into a chiral compound, the attack should be on carbon: *Image* ...

A similarity between optical and geometrical isomerism is that: ...

The stability order of the following compounds is: *Image* ...

In the following structures, which two forms are staggered conformation of ethane? *Image* ...

What is the IUPAC name of the following compound? *Image* ...