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A container fitted with frictional massless piston consist of five values – I, II, III, IV and V. These valves open automatically if pressure exceed 1.5,2.2,2.5,4.4 and 4.8 atm respectively. Under the given initial conditio ...

A ball of mass 1kg strikes a heavy platform, elastically, moving upwards with a velocity of 5m/s. The speed of the ball just before the collision is 10m/s downwards. Then the impulse imparted by the platform on the ball is *I ...

Which of the following is most acidic? ...

Which of the following has the most acidic hydrogen? (a) 3-hexanone (b) 2,4-hexanedione (c) 2,5-hexanedione (d) 2.3-hexanedione ...

A salt derived from a strong base and a weak acid will give a salt that is ...

1 + 2 + 3 + 4 +......+ n ≥ (n+n^2)/2 ...

1)If the equation x2+bx+ac=0 and x2+cx+ab=0 have a common root then prove that the equation containing other roots will be given by x2+ax+bc=0. 2)If the equations ax2+bx+c=0 and x3+3x2+3x+2=0 have two common roots then show a ...

Why the yield of chlorobenzene is generally poor, When phenol is treated with PCl5 ??? ...

You drop a stone into a deep well and hear the splash 2.5 s later. How deep is the well? (Ignore air resistance, and assume the velocity of sound is 340 m/s.) ...

The value of sec π/3 is ...

1)The larger of two angles made with x-axis of a straight line drawn through(1,2) so that it intersects x+y=4 at a distance 6 /3 from (1,2) is: (a)15° (b)60° (c)75° (d)105° (ans-(c)) 2)If the straight lines ax+by+c=0 and ...

What is in radians the measurement of an angle which is 45°? ...

If you walk 5.0 m horizontally forward at a constant velocity carrying a 10-N object, the amount of work you do is  ...

If the distance between the points (a, 2) and (3, 4) be 8, then a = ...

What is the mechanism for the reduction of RX by LiAlH4 ...

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If a+b+c=3 and a(^2)+b(^2)+c(^2)=5 and a(^3)+b(^3)+c(^3)=7 what is the value of [a(^4)+b(^4)+c(^4)] ?? And how is it done? ...

PROVE THAT ALL THE NUMBERS ARE IN SEQUENCE 10001,100010001,1000100010001,10001000100010001,........ ...

WHAT IS 13+23+33+........+n3 ...

m grams of a gas of molecular weight M is flowing in an insulated tube with velocity v.If the system is suddenly stopped then find the rise in temperature. ...

In a series L–R growth circuit, if maximum current and maximum induced emf in an inductor of inductance 3mH are 2A and 6V respectively, then the time constant of the circuit is ...

1/3+1/15+1/35+1/63+1/99+1/143+1/195=? ...

Can anyone suggest a mechanism of acidic hydrolysis of ethers? How to know which C-O bond is going to cleave in case of aromatic compounds on two sides of the oxygen atom? ...

Three charged balls A B C are thrown at the same time from the top of a very high building with velocities mentioned. vA=3j-3i vB=3j vC=6j+2i All the balls are of same mass.Horizontal is X direction and vertically up is Y dir ...

Hi everyone, I am new to this and I have keen interest in getting information and sharing my views that's why I am here and Hope you all will appreciate me. ...

{{p}^{th}} term of the series left( 3-frac{1}{n} ight),+,left( 3-frac{2}{n} ight),+,left( 3-frac{3}{n} ight)+..... will be ...

Two particles are projected from the ground,one vertically upwards and one 60 deg above the horizontal.What will be the separation between them after t seconds? ...

Argument and modulus of frac{{1 + i}}{{1 - i}} are respectively ...

There will be an increase in potential energy of the system, if work is done upon the system by ...

mathop {lim }limits_{x o infty } {left[ {1 + frac{1}{{mx}}} ight]^x} equal to ...