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try doing this if u ve free time 1) two mirrors are inclined at an angle θ find the no of images formed 2) a person enters a room with ceiling and 2 adjacent walls as mirrors . how many images can he see ? ...

Its a highly silly doubt....I know weaker bases are better leaving groups what if the leaving group is the same, then which of the two orgainc compunds would give a faster rxn ? for example :- which out of the following two w ...

why rotation not possible in case of double bond but in case of triple bond ??????? ...

what is magnetostriction effect ??????? ...

Does phenol react with NaHCO3 ? I thought it did not but then in a text book called Bahl & Bahl they showed a rxn where it reacted with Sodium bicarbonate to form sodium phenoxide and water ?? ...

*Image* The figure shows a rope looped over two pipes A and B.If the coefficient of static friction is 0.25 in both the surfaces , determine smallest and largest values of m for which equillibrium is possible ...

sigma bond has cylindrical symmetry .....explain..... ...

resonance is important particularly when the contributing structures are equivalent in energy .why??????????? ...

why ordinary light is incoherent? ...

*Image* how to find moment of inertia of rod shown above about the axis passing through its mid-point at an angle 60 degree(shown in black line) ...

my pc turned off while i was browsing....when it restarted the desktop appeared and it showed this message BCCode : 9c BCP1 : 00000000 BCP2 : 8054DA70 BCP3 :A2000000 BCP4 : 84010400 OSVer : 5_1_2600 SP : 2_0 Product : 256_1 a ...

1.the no. of total terms in the expansion of (3x-2y)^{7}[1/x+1/y]^{8} ...

i have aa chance of getting admission in following colleges- # sir padmapat singhania university,udaipur # guru ghasidas univ, bilaspur which city will b a good one to spend the college life apart from that i want good coachi ...

Q1) the drift speed is defined as vd= \Delta L/ \Delta t where \Delta L represents distancedrifted in a long time \Delta t why don't we define drift speed as the limit of \Delta L/ \Delta t as \Delta t→0 Q2)one of friends a ...

Plz explain Which of the following functions of time represent (a)simple harmonic (b) periodic but not simple harmonic and (c) non-periodic motion ? Give period for each case of periodic motion ( ω is any positive constant) ...

*Image* how has the time period been derived? ...

Can fluids sustain compressive strain? ……………..If no, then why longitudinal waves can propagate in all elastic media? ...

Why is the potential energy of a particle inside a liquid negative? ...

Can fuming nitric acid be used instead of nitration mixture to carry out nitration of benzene ?? ...

An electron moving with velocity "v" is found to have certain de broglie wave length.Calculate the wave length to be possessed by the nuetron to have same de broglie wave length. Please show and explain Thanks ...

can anyone provide bansal study materials and test papers. i am ready to pay for it as well as postal charges. i live in noida(u.p.). contact me at remember_champ2006@rediff.com. plz reply fast ...

how can we convert 53.1g/mol in terms of u ??? ...

lim(x→∞) (x+1)(x2+x+2) ...

y=a sin(kx-ωt+phi) This is the eq. of a progressive wave moving in positive x-axis direction..how has it been derived? ...

Prove that in every triangle we have: ma*mb>=ra*rb*rc. ma is length of median drawn from A, same is mb. ra= exradius of A ...

*Image* figure shows 2 large uncharged metal plates kept in a uniform electric field.normal to it.the plates canb thought as to be made of 2 large sheets wid charge density σi nd -σi.now will the induced charge of second pl ...

lim ( (sin x)1/x +(1/x)sin x)=? x \rightarrow 0 ...

is there any trick to learn the periodic table ...

what is the direction of currentdensity ? direction of driftvelocity r current ...

*Image* the dimensions of conductor of specific resistance ρ is shown above what is the resistance across AB ? ...