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JEE Main
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Physics
List of top Physics Questions asked in JEE Main, VITEEE
A vehicle of mass \( 200 \, \text{kg} \) is moving along a levelled curved road of radius \( 70 \, \text{m} \) with angular velocity of \( 0.2 \, \text{rad/s} \). The centripetal force acting on the vehicle is:
JEE Main
Physics
Newtons Law of Cooling
The distance travelled by an object in time \( t \) is given by \( s = (2.5)t^2 \). The instantaneous speed of the object at \( t = 5 \, \text{s} \) will be:
JEE Main
Physics
Kinematics
An electron and a proton has same de Broglie wavelength. If K
e
and K
p
are their respective kinetic energies, then
JEE Main
Physics
de broglie hypothesis
Angular momentum of an electron in an orbit of radius R of a hydrogen atom is directly proportional to
JEE Main
Physics
The Angular Momentum
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
An object is projected such that its horizontal range and maximum height are same, then angle of projection is
JEE Main
Physics
Projectile motion
Three particles having different masses have the same momentum. Find the ratio of their kinetic energy. (m
1
= 400 gm,m
2
= 1.2 kg,m
3
= 1.6 kg)
JEE Main
Physics
Kinetic Energy
An ammeter consisting of 240 Ω galvanometer and 10 Ω shunt resistance is connected in circuit as shown. Reading of ammeter is
JEE Main
Physics
Electric Current
A screw gauge with a pitch of 1 mm and a circular scale with 100 divisions is used to measure the thickness of the aluminium sheet. Negative zero error of 0.05 mm is there. What is the thickness of the sheet when main scale reading is 4 mm and 60th division coincides with the main scale line
JEE Main
Physics
Units and measurement
A physical quantity P depends on electric field (E) and permittivity of free space ( ε
0
) as P ∝ E ε
0
2
, Find dimension of P
JEE Main
Physics
Dimensional Analysis
The dimension of latent heat is:
JEE Main
Physics
Dimensional Analysis
Five identical convex lenses are placed one after the other in close contact. The power of this arrangement is 25 D. Then, the power of one such lens is
JEE Main
Physics
Ray optics and optical instruments
A cubical arrangement of 12 resistors each having resistance R is shown. Find I.
JEE Main
Physics
Resistance
On a given rough incline plane, a solid sphere and a hollow cylinder having the same radius are rolled one by one, with the same speed. Ratio of heights attained by solid sphere and hollow cylinder is
JEE Main
Physics
Rotational motion
A wooden block is initially at rest on a smooth surface. Now a horizontal force is applied on the block which increases linearly with time. The acceleration- time (a - t) graph for the block would be
JEE Main
Physics
Friction
Which graph correctly represents the photo current (i) vs stopping potential (Vs) for the same frequency but different intensity? $(here, I_1 › I_2)$
JEE Main
Physics
de broglie hypothesis
An electron is projected along the axis of solenoid which carries constant current i, the trajectory of electron shall be
JEE Main
Physics
Lenz law
Consider the network shown:
The equivalent resistance of the network is
JEE Main
Physics
Resistance
Instantaneous current in a circuit is
\(i(t)=[6+\sqrt54sin(2\pi + \pi/3)]\)
A RMS value of current is
JEE Main
Physics
Electric Current
The equation of stationary wave is given as
\(y=2A\sin(\frac{2\pi}{\lambda}\cdot nt) \cos (\frac{2\pi}{\lambda}\cdot x)\)
, then which of the following is not correct.
JEE Main
Physics
single slit diffraction
Correct match for phasors of voltage and current for given elements is
a. Inductive
b. Capacitive
C. Resistive
JEE Main
Physics
Phasor diagrams
Assertion (A) : The contact angle depends on material of solid and liquid.
Reason (R) : Height of the liquid in a capillary tube is independent of the radius of the tube.
JEE Main
Physics
Surface Tension
A metallic rod of length 4 m is rotating about perpendicular bisector of the rod with angular velocity of 2 rad/s in presence of transverse magnetic field of 0.5 T. Potential difference developed across ends of rod is
JEE Main
Physics
Electromagnetic Field (EMF)
Statement 1 : In photoelectric effect, number of photoelectrons emitted are proportional to frequency of incident light.
Statement 2 : Maximum kinetic energy of photoelectrons is proportional to frequency of incident light.
JEE Main
Physics
Photoelectric Effect
The circuit diagram shown is equivalent to
JEE Main
Physics
Logic gates
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