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pls solve it.. *Image* ...

*Image* wat is d answer?? ...

what is d intensity of sound in SI units??? if loudness level is 220 db.. ...

1/1+ 2 + 1/ 2 + 3 + 1/ 3 + 4 + 1/ 4 + 5 +.........................till + 1/ 15 + 16 . simplify this problem. ...

2x2-7x+3=0 solve this quad. equation by completing the square method ...

In a tyre of "Ferrari" car of Mr. Obama, a tube having a volume of 12.3 litres is filled with air at a pressure of 4 atm at 300 K. Due to travelling, the temperature of the tube and air inside it raised to 360 K and pressure ...

Help me prove that a} xo=1 b}If two triangles are equiangular ,then their corresponding sides are proportional. ...

the length of a needle floating on water is 2.5 cm. the min force in addition to its weight needed to lift the needle above water surface.(surface tension =0.072 MN/m) ...

Find the eqn of the circle on the other side of the line x+y=2 similarly situated as the circle x2+y2-2x=0. ...

*Image* ...

*Image* what geometric interpretation can be given to the aove expression?....and plz also let me know the way u came up with that interpretation! ...

A slab of glass of refractive index is surrounded by vacuum and is placed as shown. A light ray is incident at the point (2, 5 ) as shown. The point where the ray will cut the x axis is: ...

Two sound sources s1 and s2 of same frequency, are situated at a distance 2 m and 4 m from a point P respectively. At P the intensity of sound is 1 W/m2 if only source s1 is put on, and the intensity is 4 W/m2 if only source ...

2.6 g of an element X is reacted with an aqueous solution containing NaOH and NaNO3 to yield Na2XO2 and NH3. NH3 thus liberated is absorbed in 100 mL of 0.11 M H2SO4. The excess acid required 48 mL of 0.25M NaOH for complete ...

You are provided a semi-infinite rod . Determine the dependance of its mass density with distance so that it satisfies the following property - If the rod is cut at an arbitrary position , the remaining semi-infinite piece wi ...

Excerpt from The Telegraph New Delhi, March 26: Organisers of the IIT joint entrance examination (JEE) announced today that candidates appearing in the test this year will be able to see their marked answer scripts on the JEE ...

Number of zeroes in the end in the product of 56 × 67 × 78 × ........× 3031 is (A)111 (B)147 (C)137 (D)136 ...

A three end toroid, containing an iron core, is connected into a circuit as shown in the figure. What will the current through switch K be right after closing the switch, if the initial current in the circuit was I0? (The ohm ...

There are two die A and B both having six faces. Die A has three faces marked with 1, two faces marked with 2 and one face marked with 3. Die B has one face marked with 1, two faces marked with 2 and three faces marked with 3 ...

as give in paper-1;section-2(multiple correct answer type) since it has no negative marks for wrong answer,and partial marks for correct answer(any one) so,if we circle all 4 options does we get full marks for that question ! ...

Ok so i had seen here someone saying division by ZERO is not "defined". Okay...but why can't division by zero be defined?See if u can figure it out if not i will post reply after April-10! ...

sir i have done with my boards hoping 70-80% still one xam on 30th march. really wanna b NIT allahabad.(even had HS quota but general) SO plz help me. i have left resonance in 12th but after some months i have to left it bcoz ...

Is zero both +ve & -ve? Why can't any number be divided by 0? ...

Prove that 2 is a rational or an irrational ...

*Image* well it is a misprint there sin2 means sin B2 ...

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What things do we need to keep in mind while selecting the coating metal for galvanisation? ...

Why Cu and ni dont have +3 oxidation state while Sc and Titanium have both.. i.e, +2 and +3? ...

Statement1- if p(x)=x2+px+p1 and q(x)=x2+qx+q1 where p,p1,q,q1 are real and the equation p(x).q(x) has atmost one real root then (1+p+p1) (1+q+q1)>0 Statement2- if a quadratic ax2+bx+c has no real root then a(ax2+bx+c)> ...

What things do we need to keep in mind while selecting the coating metal for galvanisation? ...