List of top Questions asked in BITSAT- 2012

An oscillator is nothing but an amplifer with

If the force is given by $ F = at + bt^2$ with $t$ as time. The dimensions of $a$ and $b$ are

The Young?s modulus of a perfectly rigid body is

The electric field intensity just sufficient to balance the earth's gravitational attraction on an electron will be: (given mass and charge of an electron respectively are $9.1 \times 10^{-31}\, kg$ and $\left.1.6 \times 10^{-19} C \right)$.

If the radius of $H$ is $0.53\, ? $, then what will be the radius of $_3Li^{2+}$ ?

If the unit of force and length be each increased by four times, then the unit of energy is increased by

Which of the following does not have valence electron in $3d$-subshell?

A solid body of constant heat capacity $1 \,J/?C$ is being heated by keeping it in contact with reservoirs in two ways : (i) Sequentially keeping in contact with $2$ reservoirs such that each reservoir supplies same amount of heat. (ii) Sequentially keeping in contact with $8$ reservoirs such that each reservoir supplies same amount of heat. In both the cases body is brought from initial temperature $100^{\circ}C$ to final temperature $200^{\circ}C$. Entropy change of the body in the two cases respectively is :

The van�t Hoff factor $i$ for an electrolyte which undergoes dissociation and association in solvents are respectively

Which of the following must be known in order to determine the power output of an automobile?

Which of the following is process used for the preparation of acetone?

The differential equation whose solution is $Ax^2 + By^2 = 1$ where $A$ and $B$ are arbitrary constants is of

Which alkene on ozonolysis gives \(CH_3CH_2CHO\) and

The coefficient of $x^{20}$ in the expansion of $(1 + x^2)^{40} . (x^2 + 2 + \frac{1}{x^2})^{-5}$ is

The value of the determinant $\begin{vmatrix}265&240&219\\ 240&225&198\\ 219&198&181\end{vmatrix}$ is

In which case the $NO_2$ will attack at the meta position

Bond enthalpies of $H_2, X_2$ and $HX$ are in the ratio $2 : 1 : 2$. If enthalpy of formation of $HX$ is $-50 \,kJ \,mol^{-1}$, the bond enthalpy of $H_2$ is

When chlorine water is exposed to sunlight, $O_2$ is liberated. Hence,

Formation of ozone in the upper atmosphere from oxygen takes place by the action of

If $\sin^2 \theta + \sin^2 \phi = 1/2, \cos^2 + \cos^2 \phi = 3/2$, then $\cos^2 (\theta - \phi)$ is equal to

The foot of the perpendicular from the point $(7, 14, 5)$ to the plane $2x + 4y - z = 2$ are

For the function $f\left(x\right)= \frac{x^{100}}{100} + \frac{x^{99}}{99} + ... \frac{x^{2}}{2} + x + 1 , $ f ' (1) = mf' (0), where m is equal to

Let $x$ and $y$ be two natural numbers such that $xy = 12(x + y)$ and $x \le y$. Then the total number of pairs $(x, y)$ is

In how many ways can $5$ prizes be distributed among $4$ boys when every boy can take one or more prizes ?

The number of positive integral solution of $abc = 30$ is