List of top Questions asked in BITSAT

The upper end of a wire of diameter $12\,mm$ and length $1\,m$ is clamped and its other end is twisted through an angle of $30^{\circ}$. The angle of shear is
Two circular plates of radius $5\, cm$ each, have a $0.01\, mm$ thick water film between them. Then what will be the force required to separate these plate (S.T. of water = $73$ dyne/cm) ?
In the equation $PV^\gamma$ = constant, the value of $\gamma$ is unity. Then the process is
A body is travelling in a circle at a constant speed. It
A solenoid of 1.5 m length and 4.0 cm diameter possesses 10 turns/cm. A current of 5 A is flowing through it. The magnetic induction at axis inside the solenoid is
A point charge $+q$ is placed at the centre of a cube of side $L$. The electric flux emerging from the cube is
The value of $\cos^{-1}x + \cos^{-1} \left(\frac{x}{2} + \frac{1}{2} \sqrt{3-3x^{2}}\right) ; \frac{1}{2} \le x \le 1 $ is
The function $f(x) = \tan x - 4x$ is strictly decreasing on
The slope of the tangent to the hyperbola $2x^2 - 3y^2 = 6$ at $(3, 2)$ is
Which of the following does not depict the correct link between technology and physics?
If $f(x)=\frac{x}{\sqrt{1+x^{2}}}$, then (fof of) ( $x$ ) is
If $A = \begin{bmatrix}1&3\\ 3&2\\ 2&5\end{bmatrix}$ and $ B = \begin{bmatrix}-1&-2\\ 0&5\\ 3&1\end{bmatrix} $ and $A + B - D = 0$ (zero matrix), then $D$ matrix will be -
If $I_{m}=\int\limits_{1}^{e}(\ln x)^{m} d x$, where $m \in N$, then $I_{10}+10 I_{9}$ is equal to -
The area of the region bounded by the curve $y=x |x|, x$-axis and the ordinates $x=1, x=$ $-1$ is given by:
An ideal refrigerator has a freezer at a temperature of $-13^{\circ} C$. The coefficient of performance of the engine is $5$. The temperature of the air (to which heat is rejected) is
Chloride ion and potassium ion are isoelectronic. Then :
Three separate samples of a solution of a single salt gave these results. One formed a white precipitate with excess ammonia solution, one formed a white precipitate with dil. $HCl$ solution and one formed a black precipitate with $H_{2} S$. The salt could be
Experiment to study kinetics of the dissociation of hydrogen peroxide must be performed by group of two or three so that -
The vapour density of ozone is
In redox reaction $1\, g$-eq of reducing agent requires $Pgm$-e of oxidising agent. The value of $P$ is
Which of the following pairs has both members from the same period of periodic table :
In the periodic table, with the increase in atomic number, the metallic character of an element
Which of the following statements is/are true? 1. $PH _{5}$ and $BiCl _{5}$ do not exist. 2. $pm - d \pi$ bond is present in $SO _{2}$. 3. $I _{3}{ }^{+}$has bent geometry. 4. $SeF _{4}$ and $CH _{4}$ have same shape.
When the temperature is raised, the viscosity of liquid decreases this is because
Coolant used in car radiator is aqueous solution of ethylene glycol. In order to prevent the solution from freezing at $-0.3^{\circ} C$. How much ethylene glycol must be added to $5\, kg$ of water ? $\left( K_f =1 \cdot 86\, Kg\, mol ^{-1}\right)$