List of top Physics Questions asked in VITEEE

The current in an $L-R$ circuit builds up to $\left(3 / 4^{\text {th }}\right)$ of its steady state value in $4$ seconds. The time constant of this circuit is
A square current carrying loop is changed to a circular loop in time $t_1$. Then
For a current carrying inductor, emf associated is 20mV. Now, current through it changes from 6A to 2A in 2s. The coefficient of mutual inductance is
Hologram is based on phenomenon of
The wavelength of an electron for transition from a state $n_1$ to $n_2$ is $\frac{ 9}{8R}$. Which of the following wavelengths is possible for a transition from $n_2$ to $n_1$.
In shown fig, the circular loop of wire is moved with velocity towards the infinite current carrying wire. Then
If $i_1 = 3 \, \sin \, \omega t$ and $i_2 = 4 \, \cos \, \omega t$, then $i_3$ is
If the nuclear radius of $^{27}Al$ is 3.6 Fermi, the approximate nuclear radius of $^{64}Cu$ in Fermi is
A galvanometer with a scale divided into $100$ equal divisions has a current sensitivity of $10$ divisions per milliampere and a voltage sensitivity of $2$ divisions per millivolt. The galvanometer resistance will be
The rate of volume occupied by an atom to the volume of the nucleus is
When sunlight is scattered by atmospheric atoms and molecules the amount of scattering of light of wavelength 880 nm is \( A \). Then, the amount of scattering of light of wavelength 330 nm is approximately
Two convex lenses of power 2D and 5D are separated by a distance \( \frac{1}{3} \, \text{m} \). The power of optical system formed is
Two light rays having the same wavelength in vacuum are in phase initially. Then, the first ray travels a path \( L_1 \) through a medium of refractive index \( \mu_1 \), while the second ray travels a path \( L_2 \) through a medium of refractive index \( \mu_2 \). The two waves are then combined to observe interference. The phase difference between the two waves is
Pick out the wrong statement.
An electromagnetic wave propagating along north lies its electric field vertically upward. The magnetic field vector points towards
Two polaroids are kept crossed to each other. If one of them is rotated an angle 60°, the percentage of incident light now transmitted through the system is
A compound microscope having magnifying power 35 with its eye-piece of focal length 10 cm. Assume that the final image is at least distance of distinct vision then the magnification produced by the objective is
The refractive index for a prism is given as \( \mu = \cot \frac{A}{2} \). Then, angle of minimum deviation in terms of angle of prism is
An induced emf has
A coil of area 5 cm² having 20 turns is placed in a uniform magnetic field of \( 10^3 \, \text{gauss} \). The normal to the plane of coil makes an angle 30° with the magnetic field. The flux through the coil is
The value of inductance \( L \) for which the current is maximum in series \( LCR \) circuit with \( C = 10 \, \mu F \) and \( R = 1000 \, \Omega \) is
The current graph for resonance in an \( LC \) circuit is
A ray of light is incident on a plane mirror at an angle of 30°. At what angle with the horizontal must a plane mirror be placed so that the reflected ray becomes vertically upwards?
A horizontal rod of mass 0.01 kg and length 10 cm is placed on a frictionless plane inclined at an angle 60° with the horizontal and with the length of the rod parallel to the edge of the inclined plane. A uniform magnetic field is applied ‘Vertically downwards’. The current through the rod is 1.7 A, then the value of magnetic field induction \( B \) for which the rod remains stationary in the inclined plane is
A current of 2 A is flowing in the sides of an equilateral triangle of side 9 cm. The magnetic field at the centroid of the triangle is