List of top Questions asked in VITEEE

If the kinetic energy of a free electron doubles, it�s de-Broglie wavelength changes by the factor

At low pressure, the van der Waal's equation is reduced to

A metal ring is held horizontally and bar magnet is dropped through the ring with its length along the axis of the ring. The acceleration of the falling magnet

At how many points between the interval $ \left(-\infty, \infty\right)$ is the function $f (x) = sin\, x$ is not differentiable.

A conducting wire frame is placed in a magnetic field which is directed into the paper. The magnetic field is increasing at a constant rate. The directions of induced current in wires $AB$ and $CD$ are

A hollow sphere and a solid sphere, of equal mass and equal radii roll down without slipping on an inclined plane. If the torque experienced by the hollow sphere and solid sphere are $\tau_H$ and $\tau_S$ respectively, then

A circle has radius 3 and its centre lies on the line $y = x -1$ . The equation of the circle, if it passes through $(7, 3)$, is

Two thin lenses are in contact and the focal length of the combination is $80\, cm$. If the focal length of one lens is $20 \,cm$, then the power of the other lens will be

The work done by an uniform magnetic field, on a moving charge is

The Young?? modulus of a perfectly rigid body is

The system of linear equations : $x + y + z = 0, 2x + y - z = 0, 3x + 2y = 0$ has :

If vector equation of the line$\frac{x-2}{2}=\frac{2y-5}{-3}=z+1,$ is $\vec{r}=\left(2\hat{i}+\frac{5}{2} \hat{j}-\hat{k}\right)+\lambda\left(2\hat{i}-\frac{3}{2} \hat{j}+p\hat{k}\right)$ then $p$ is equal to

A person swims in a river aiming to reach exactly on the opposite point on the bank of a river. His speed of swimming is $0.5\, m/s$ at an angle of $120^?$ with the direction of flow of water. The speed of water is

A rain drop of radius $0.3\, mm$ has a terminal velocity in air is $1\, m/s$. The viscosity of air is $8 \times 10^{-5}$ poise. The viscous force on it is

A solid sphere is rotating in free space. If the radius of the sphere is increased keeping mass same which one of the following will not be affected ?

The magnetic field at a distance r from a long wire carrying current i is 0.4 tesla. The magnetic field at a distance 2r is

The half-life period and the mean life period of a radioactive element are denoted respectively by $T_h$ and $T_m$. Then

Let $a, b, c, be$ in $A.P.$ with a common difference $d.$ Then $e^{1/e}, e^{b/bc}, e^{1/a}$ are in :

The current in the $1\Omega$ resistor shown in the circuit is

When acetylene is passed into methanol at $160- 200�C$ in the presence of a small amount of potassium methoxide under pressure, the following is formed -

The value of \(K_c\) for the reaction : \({A + 3B\rightleftharpoons2C}\) at \(400^\circ C\) is \(0.5.\) Calculate the value of \(K_P\)

Six identical coins are arranged in a row. The number of ways in which the number of tails is equal to the number of heads is

The equivalent capacitance of the combination of the capacitors is

In Young's double slit experiment, the central point on the screen is