>
VITEEE
>
Physics
List of top Physics Questions asked in VITEEE
The magnetic field in a travelling electromagnetic wave has a peak value of 20 nT. The peak value of electric field strength is
VITEEE - 2018
VITEEE
Physics
Electromagnetic waves
The length of elastic string, obeying Hooke�s law is $\ell_{1}$ metres when the tension $4N$ and $\ell_{2}$ metres when the tension is $5N$. The length in metres when the tension is $9N$ is -
VITEEE - 2018
VITEEE
Physics
Hooke's Law
The horizontal component of the earth?s magnetic field is
$3.6 \times 10^{-5}$
tesla where the dip angle is
$60^{\circ}$
. The magnitude of the earth?s magnetic field is
VITEEE - 2018
VITEEE
Physics
Types of Magnets
In a common emitter transistor amplifier
$\beta = 60, \,R_o = 5000\, \Omega$
and internal resistance of a transistor is
$500 \,\Omega$
Voltage amplification. The voltage amplification of amplifier will be
VITEEE - 2018
VITEEE
Physics
Transistors
In the given circuit the reading of voltmeter $V_1$ and $V_2$ are $300$ volt each. The reading of the voltmeter $V_3$ and ammeter $A$ are respectively
VITEEE - 2018
VITEEE
Physics
Alternating current
The value of $\tan (90-\theta)$ in the graph gives :
VITEEE - 2017
VITEEE
Physics
elastic moduli
Which of the following are not electromagnetic waves?
VITEEE - 2017
VITEEE
Physics
Electromagnetic waves
A vessel of depth 2d cm is half filled with a liquid of refractive index
$\mu_{1}$
and the upper half with a liquid of refractive index
$\mu_{2}$
. The apparent depth of the vessel seen perpendicularly is
VITEEE - 2017
VITEEE
Physics
Refraction of Light
A charged particle (electron or proton) is introduced at the origin (? = 0, ? = 0, ? = 0) with a given initial velocity
$\vec{v}$
. A uniform electric field
$\vec{E}$
and a uniform magnetic field
$\vec{B}$
exist everywhere. The velocity
$\vec{v}$
, electric field
$\vec{E}$
and magnetic field
$\vec{B}$
are given in columns 1, 2 and 3, respectively. The quantities
$?_0 , ?_0$
are positive in magnitude.
Column 1
Column 2
Column 3
(I) Electron with
$\vec{v}=2 \frac{E_{0}}{B_{0}}\hat{x}$
(i)
$\vec{E}=-E_{0}\hat{z}$
(P)
$\vec{B}=-B_{0}\hat{x}$
(II)Electron with
$\vec{v}= \frac{E_{0}}{B_{0}}\hat{y}$
(ii)
$\vec{E}=-E_{0}\hat{y}$
(Q)
$\vec{B}=-B_{0}\hat{x}$
(III) Proton with
$\vec{v}=0$
(iii)
$\vec{E}=-E_{0}\hat{x}$
(R)
$\vec{B}=-B_{0}\hat{y}$
(IV)Proton with
$\vec{v}=2 \frac{E_{0}}{B_{0}}\hat{x}$
(iv)
$\vec{E}=-E_{0}\hat{x}$
(S)
$\vec{B}=-B_{0}\hat{z}$
In which case will the particle move in a straight line with constant velocity?
VITEEE - 2017
VITEEE
Physics
Moving charges and magnetism
A hollow insulated conduction sphere is given a positive charge of 10
$\mu$
C. What will be the electric field at the centre of the sphere if its radius is 2 metres?
VITEEE - 2017
VITEEE
Physics
Electric Field
Two capacitors
$C_{1}$
and
$C_{2}$
in a circuit are joined as shown in figure. The potentials of points A and B are
$V_{1}$
and
$V_{2}$
respectively. Then the potential of point D will be
VITEEE - 2017
VITEEE
Physics
Combination of capacitors
Two mercury drops (each of radius r) merge to form a bigger drop. The surface energy of the bigger drop, if T is the surface tension, is
VITEEE - 2017
VITEEE
Physics
Surface Tension
Which of the following is a self adjusting force?
VITEEE - 2017
VITEEE
Physics
Friction
A prism has a refracting angle of 60?? When placed in the position of minimum deviation, it produces a deviation of 30?? The angle of incidence is
VITEEE - 2017
VITEEE
Physics
Refraction of Light
An alternating voltage of 220 V, 50 Hz frequency is applied across a capacitor of capacitance 2
$\mu$
F. The impedence of the circuit is
VITEEE - 2017
VITEEE
Physics
AC Voltage
A smooth sphere of mass M moving with velocity u directly collides elastically with another sphere of mass m at rest. After collision, their final velocities are V and v respectively. The value of v is
VITEEE - 2017
VITEEE
Physics
Elastic and inelastic collisions
The current in a coil of L = 40 mH is to be increased uniformly from 1A to 11 A in 4 milli sec. The induced e.m.f. will be
VITEEE - 2017
VITEEE
Physics
Electromagnetic induction
Resistances 1
$\Omega$
,2
$\Omega$
and 3
$\Omega$
are connected to form a triangle.If a 1.5 V cell of negligible internal resistance is connected across the 3
$\Omega$
resistor, the current flowing through this resistor will be
VITEEE - 2017
VITEEE
Physics
Resistance
Kerosene oil rises up in a wick of a lantern because of
VITEEE - 2017
VITEEE
Physics
Surface Tension
A (+)vely charged particle is placed near an infinitely long straight conductor where there is zero gravity. Then
VITEEE - 2016
VITEEE
Physics
Magnetic Field Due To A Current Element, Biot-Savart Law
Two point dipoles $p \hat{k}$ and $\frac{p}{2} \hat{k}$ are located at $(0,0,0)$ and $(1\, m , 0,2\, m )$ respectively. The resultant electric field due to the two dipoles at the point $(1 \,m , 0,0)$ is
VITEEE - 2016
VITEEE
Physics
Electric Dipole
In shown fig, the circular loop of wire is moved with velocity towards the infinite current carrying wire. Then
VITEEE - 2016
VITEEE
Physics
Lenz law
Hologram is based on phenomenon of
VITEEE - 2016
VITEEE
Physics
Photoelectric Effect
If $i_1 = 3 \, \sin \, \omega t$ and $i_2 = 4 \, \cos \, \omega t$, then $i_3$ is
VITEEE - 2016
VITEEE
Physics
Electric Current
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
VITEEE - 2016
VITEEE
Physics
Inductance
Prev
1
...
6
7
8
9
10
...
16
Next