List of top Questions asked in BITSAT

If $2 i + j - k$ and $i -4 j +\lambda k$ are perpendicular to each other, then $\lambda$ is equal to:

The well known urinary antiseptic urotropine is formed when formaldehyde reacts with

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) will be

Natural length of a spring is $60 \,cm$ and its spring constant is $4000 \,N / m$. A mass of $20\, kg$ is hung from it. The extension produced in the spring is $\left(\right.$ take $\left.g=9.8 \,m / s ^{2}\right)$ :

A cube has a side of length $1.2 \times 10^{-2} m$. Calculate its volume.

The magnitude of electric field intensity $E$, such that an electron placed in it would experience an electrical force equal to its weight, is given by

Fast neutrons can easily be solved down by

The force constant of a spring gun is $50 \,N / m$. If a ball of $20 \,g$ be shoot by the gun, so that its spring is compressed by $10 \,cm$, the velocity of the ball is:

A synthetic rubber which is resistant to the action of oils, gasoline and other solvents is

$K _{ b }$ for water is $0.52\, K / m$. Then $0.1 \,m$ solution of $NaCl$ will boil approximately at:

If a new planet is discovered rotating around sun with the orbital radius double that of the earth, then what will be its time period? (in earth's days) (Take $\sqrt{2}=1.4$ )

An electron is accelerated under a potential difference of 182 V. The maximum velocity of electron will be (Charge of electron is $1.6 \times 10^{-19}C $ and its mass is $9.1 \times 10^{-31}kg) $

The velocity of efflux of a liquid through an orific in the bottom of the tank does not depend upon

A point source of light is placed $4 \,m$ below the surface of water of refractive index $\frac{5}{3}$. The minimum diameter of a disc, which should be placed over the source, on the surface of water to cut-off all right coming out of water is

$1 \,L$ of a gas is at a pressure of $10^{-6} \, mm$ of Hg at $25^{\circ} C$. How many molecules are present in the vessel?

Banana bunchytop virus is transmitted through.............

If density of earth increases $4$ times and its radius becomes half of what it is, our weight will

The function $\sin \, x + \cos \, x$ is maximum when $x$ is equal to

The set $A = \{ x : x \in R, x^2 = 16$ and $2x = 6\}$ equals

If $\frac{ d }{ dx }(\phi( x ))= f ( x )$, then $\int\limits_{1}^{2} f ( x )$ is equal to:

$\int\limits^2_0 |1 -x| dx$ is equal to

For the reaction, $N _{2}( g )+3 H _{2}( g ) \rightleftharpoons 2 NH _{3}( g )$, the unit of $K$ is :

The sum of the series $\log _{4} 2-\log _{8} 2+\log _{16} 2-\ldots$ is

Which of the following is an artificial edible colour ?

The $pH$ of a $0.01 \,M\, HCN$ solution for which $pK_a$ is $4$ is