>
JEE Main
>
Physics
List of top Physics Questions asked in JEE Main
A truck is moving from rest with constant power P. if the displacement of the truck is proportional to t", where t is time, find n.
JEE Main
Physics
distance and displacement
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
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
In a hydraulic lift force F is applied to balance 10 N load, diameter of effort arm is 14 cm and load arm is 1.4 cm. The F is equal to
JEE Main
Physics
Friction
In sonometer, fundamental frequency changes from 400 Hz to 500 Hz keeping same tension. Find percentage change in length.
JEE Main
Physics
Sound Wave
For what boolean values of A, B & C the given logic gate gives output of zero?
JEE Main
Physics
Logic gates
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
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
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
Three helium atoms from carbon at high temperature due to fusion. Masses of helium and carbon nuclei a.m.u are 4.0002 and 12 respectively . Find energy released in the process
JEE Main
Physics
Nuclear physics
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 current I in the given circuit
JEE Main
Physics
Electric Current
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
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
Find dimension of
\(\sqrt{G}\)
.𝞵, where G is universal gravitational constant and 𝞵 is energy gradient
JEE Main
Physics
Dimensional Analysis
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
The ratio of radius of gyration of uniform hollow sphere and uniform solid sphere about its diameter is _______ (both have the same radius)
JEE Main
Physics
Moment Of Inertia
The maximum amplitude of an amplitude-modulated wave is found to be 15V while its minimum amplitude is found to be 3V. The modulation index is:
JEE Main
Physics
Phasor diagrams
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
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
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
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 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
Which of the following circuits would have the diode in conducting state?
JEE Main
Physics
applications of diode
With regard to gravitation parameters, the dimensions of $T^2$ are same as that of
JEE Main
Physics
Gravitation
Prev
1
...
138
139
140
141
Next