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JEE Main
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Physics
List of top Physics Questions asked in JEE Main, VITEEE
The width of the one slit in YDSE is four times the other slit. Then ratio of maximum to the minimum intensity at screen is
JEE Main
Physics
Youngs double slit experiment
Wavelengths assigned to gamma rays, infra-red rays, UV rays and microwaves are 1 , 2 , 3 & 4 respectively. Then :
JEE Main
Physics
Electromagnetic Spectrum
With regard to gravitation parameters, the dimensions of $T^2$ are same as that of
JEE Main
Physics
Gravitation
Which of the following circuits would have the diode in conducting state?
JEE Main
Physics
applications of diode
A heater of rating of 50 W – 200 V is connected with source voltage of 100 V. Power consumed by heater is
JEE Main
Physics
work, energy and power
Two point mass m and 2m are on straight line. If mass m moves toward centre of mass by distance 2 cm, then the distance must mass 2m should move so that centre of mass does not change ______ cm.
JEE Main
Physics
Centre of mass
A body of mass 4 kg is at a height of R (radius of earth) from surface of earth. The weight of the body is ______ N.
JEE Main
Physics
Gravitation
A bar magnet of magnetic moment M = 0.5A m2 is under the influence of a magnetic field 8 T. Find the work done (J) to move the magnet from stable to unstable equilibrium position.
JEE Main
Physics
Magnetic Force
For methane, translation degrees of freedom is $f_1$ while rotational degrees of freedom is $f_2$ . Find $f_1$ + $f_2$ .
JEE Main
Physics
Degrees of Freedom and Molar Specific Heats
Because of force (separately) of 3 N & 2 N, elongation in spring are found to be 'a' and 'b' unit respectively then (2a -3b) is.
JEE Main
Physics
Forces
If the time period of a pendulum at height R (Where R is radius of earth) from surface of earth is $T_1$ and at height 2R it is $T_2$, then
JEE Main
Physics
simple harmonic motion
Find dimension of
\(\sqrt{G}\)
.𝞵, where G is universal gravitational constant and 𝞵 is energy gradient
JEE Main
Physics
Dimensional Analysis
A block of mass m = 50 kg is lifted from ground to a height of 20 m in two different ways as shown in the figure. Find the ratio of work done by gravity in both the cases.
JEE Main
Physics
work, energy and power
Two concentric conducting rings of radius a and b are placed as shown in diagram (a < < b). Find coefficient of mutual inductance of rings
JEE Main
Physics
Inductance
The correct relation between kinetic energy (K.E) and total energy (T.E) of a satellite orbiting around the planet is
JEE Main
Physics
Gravitation
Find the ratio of energy stored in the two given capacitor systems.
JEE Main
Physics
Capacitors and Capacitance
In YDSE for wavelength $λ = 5000 A$ , slit distance $d = 3 mm$ and screen distance of $2 m$, the intensity at a point which is $3 cm$ away from central maxima (assume intensity of light for each source is $I_0$) is $xl_0$ then x is
JEE Main
Physics
Youngs double slit experiment
Match the column. [Given: mass of sun = $M_s$ | mass of earth = $M_e$ | Radius of earth = R | Distance between the Sun and the Earth = a]
List-I
List-II
(A)
Kinetic energy of Earth
(I)
$-\frac{GM_sM_e}{a}$
(B)
Potential energy of Earth and Sun
(II)
$\frac{GM_sM_e}{2a}$
(C)
Total energy of Earth and Sun
(III)
$\frac{GM_e}{ R}$
(D)
Escape energy from surface of Earth per unit mass
(IV)
$\frac{GM_sM_e}{2a}$
Choose the correct answer from the options given below:
JEE Main
Physics
Gravitational Potential Energy
20R resistance wire is cut into 10 equal parts. Now each part first is connected in series and then in parallel. Find ratio of equivalent resistance in both cases (Rseries : Rparallel)
JEE Main
Physics
Resistance
For what boolean values of A, B & C the given logic gate gives output of zero?
JEE Main
Physics
Logic gates
In sonometer, fundamental frequency changes from 400 Hz to 500 Hz keeping same tension. Find percentage change in length.
JEE Main
Physics
Sound Wave
In thermodynamics adiabatic process, pressure is directly proportional to cube of absolute temperature. Find $\frac{C_P}{C_V} $for the gas.
JEE Main
Physics
Thermodynamics
A block of mass 50 kg is moving with speed of 10 m/s on a rough horizontal surface (friction coefficient of 0.3). Find the kinetic friction acting on the object.
JEE Main
Physics
Friction
A solid sphere is rolling without slipping. Find the ratio of rotational kinetic energy to total kinetic energy of sphere.
JEE Main
Physics
Rotational motion
There are two fixed charged spheres P and Q repelling each other with a force of 16 N. A third neutral sphere is placed between the charged spheres. The new force between the spheres is _________ (assuming all the spheres are insulating)
JEE Main
Physics
Electrostatics
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