List of top Questions asked in VITEEE

Which of the following is not present in a nucleotide?
An electron moving with speed \( v \) and a photon with speed \( c \), have the same de-Broglie wavelength. The ratio of kinetic energy of the electron to that of the photon is:
200 mL of an aqueous solution of a protein contains 1.26 g. The osmotic pressure of this solution at 300 K is found to be \( 2.57 \times 10^{-3} \, {bar} \). The molar mass of the protein will be: (R = 0.083 L bar mol\(^{-1}\) K\(^{-1}\))
Which of the following lanthanides are in tv screen.
A catalyst is a substance which:
The form of iron obtained from blast furnace is:
Lanthanoid contraction can be observed in:
The magnetic field of a plane electromagnetic wave is given by: \[ \vec{B} = 2 \times 10^{-8} \sin \left(0.5 \times 10^3 x + 1.5 \times 10^{11} t \right) \hat{j} \, {T}. \] {The amplitude of the electric field would be:}
The escape velocity of a body depends upon mass as:
The de Broglie wavelength of a proton and \( \alpha \)-particle are equal. The ratio of their velocities is:
Following are expressions for four plane simple harmonic waves \[ y_1 = A \cos 2 \pi \left( n_1 t + \frac{x}{\lambda_1} \right), \quad y_2 = A \cos 2 \pi \left( n_1 t + \frac{x}{\lambda_1} + \pi \right), \quad y_3 = A \cos 2 \pi \left( n_2 t + \frac{x}{\lambda_2} \right), \quad y_4 = A \cos 2 \pi \left( n_2 t - \frac{x}{\lambda_2} \right) \] The pairs of waves which will produce destructive interference and stationary waves respectively in a medium, are
A stone of mass \( m \), tied to a string is being whirled in a vertical circle with a uniform speed. The tension in the string is:
The focal length \( f \) is related to the radius of curvature \( r \) of the spherical convex mirror by:
For a transistor, \( \alpha \) and \( \beta \) are given as \( \alpha = \frac{I_C}{I_E} \) and \( \beta = \frac{I_C}{I_B} \). Then the correct relation between \( \alpha \) and \( \beta \) will be:

A thermodynamic system is taken from an original state D to an intermediate state E by the linear process shown in the figure. Its volume is then reduced to the original volume from E to F by an isobaric process. The total work done by the gas from D to E to F will be:
 

A heater coil is cut into two equal parts and only one part is now used in the heater. The heat generated will now be
A vertical electric field of magnitude \( 4.9 \times 10^5 \, {N/C} \) just prevents a water droplet of a mass \( 0.1 \, {g} \) from falling. The value of charge on the droplet will be: (Given \( g = 9.8 \, {m/s}^2 \))
In a region, steady and uniform electric and magnetic fields are present. These two fields are parallel to each other. A charged particle is released from rest in this region. The path of the particle will be a
The recoil speed of a hydrogen atom after it goes from \( n = 5 \) state to \( n = 1 \) state will be:
Alternating current cannot be measured by a D.C. ammeter because
The equation of a particle executing simple harmonic motion is given by \[ x = \sin \pi \left( t + \frac{1}{3} \right) \, {m}. \] At \( t = 1 \, {s} \), the speed of particle will be (Given \( \pi = 3.14 \)):
The magnetic moment of an electron (e) revolving in an orbit around nucleus with an orbital angular momentum is given by:
The self-induced emf of a coil is 25 volts. When the current in it is changed at uniform rate from 10A to 25 A in 1s, the change in the energy of the inductance is:

If a charge \( q \) is placed at the centre of a closed hemispherical non-conducting surface, the total flux passing through the flat surface would
 

Which of the following figure represents the variation of \( \ln \left( \frac{R}{R_0} \right) \) with \( \ln A \) (If \( R \) is the radius of a nucleus and \( A \) is its mass number)?