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so how was it?????? ...
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(1)there are 24 balls of 6 different sizes in a bag, there being 4 balls of each size in four different colours .in how many ways 4 balls can be selected so that they are of differnt colours?????? (2) how many 5 digit nos. of ...
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so how was it??????? ...
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*Image* the two extreme plates are grounded .........A and B given charge 2Q and 3Q .......find potential difference between A and B .... ...
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which is most stable *Image* ...
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(1)if f'(0)=0 and f(x) is a differentiable and increasing function then \lim_{x\rightarrow 0}\frac{xf'(x^{2})}{f'(x)}= (a) is always 0 (b) may not exist as LHL may not exist (c) may not exist as RHL may not exist (d) RHL is a ...
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crotonaldehyde(CH3CH=CHCHO) and Cinnamaldehyde (C6H5 CH=CHCHO) give aldol condensation na ...
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find the total no.of isomers of [M(AB)3] , [M(AA)a2b2] , [Ma2b2cd] , [Ma3bcd] sorry for giving so many at a time..........but i am super confused in it ...
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*Image* the right block is fixed. the left block has velocity v=√2m/s at any instant AB=R√2 right block has friction. all other surfaces are frictionless what is the velocity of center of mass of cylinder at this instant ...
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*Image* what is the minimum value of ω for which water seperates. ...
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sir i have serious problems with fuctions containing fractional part of x .... ex. sin{x} etc...........due to it i am unable to do many definite integrations or graph of the day and many more.........plz plz plz help ...
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find the value of *Image* ...
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*Image* i want answer to Q7 Q8 for targetiitians ...
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a non conducting rod - total charge q and length l is rotated about centre of mass with constant angular velocity w.magnetic moment of rod=????? my method:-i took a small element dx at a distance x from centre and calculated ...
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a bicycle is moving with some accelaration on a road.the forces of friction between the road and front and the rear wheel are F1 and F2 respectively . their directions are ...
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(1)when conc. H2SO4 was treated with K4[Fe(CN)6],CO gas was evolved .if we use dil. H2SO4 instead of conc. then the gas evolevd is ...
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Prove that every circle passing through the points z_{0} and 1/z 0 intersects the circle |z|=1 at right angles ...
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*Image* a block of mass m is attached as shown .at equilibrium both the springs are compressed by same length if suddenly lower spring is cut. what is the accelaration of the block just after the spring is cut ...
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when released ,the mass 2m falls a distance x before the limp string becomes taut.thereafter both the mass on the left rise with the same speed.what is the final speed. *Image* i have applied impulse momentum theoram.but not ...
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*Image* a heavy ball of mass 2m moving with velocity u0 collides elastically head on with cradle of three identical balls of mass m as shown.determine velocity of each ball after collision. ...
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a uniform circular disc of radius R is placed on a frictionless horizontal plane .another identical disc rotating with angular velocity \omega _{0} is gently placed on the top of the first disc .calculate the time in which bo ...
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*Image* a ring rolls without slipping on a horizontal surface .at any instant ,its position is as shown in figure a) section ABC has greater kinetic energy than section ADC b) section BC has greater kinetic energy than sectio ...
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calculate pH of following solution a) 40ml of 0.050M Na2CO3 + 50ml of 0.040 M HCl b)40ml of 0.020M Na3PO4 + 40 ml of 0.040 M HCl give answers in terms of k1or k2 ...
