List of top Physics Questions asked in JEE Main

solid sphere is rolling purely with speed v on horizontal surface. It rolls up an incline surface and stops at height h. Then height h is [g is the acceleration due to gravity]:

Find the value of m if \(M = 10\) \(kg\). All the surfaces are rough.

In single electron \(atom/ion\), first member of Lyman series is \(λ\), then wavelength of second member of their series shall be

The fundamental frequency of closed organ pipe is equal to the frequency of first overtone of open organ pipe of length 60 cm. The length of closed organ pipe is

Calculate the average energy density of an electromagnetic wave whose electric field is oscillating with amplitude \(50 \;V/m\) and frequency \(5 \times10^{10}\) \(Hz\) :

For a \(1-D\) motion, relation between position x and time \(t\) is \(t = αx^2 + βx\) Find the relation between velocity \(v\) and acceleration \(a\).

Output of given circuit represents which logic gate :

Stopping potential is \(8\) \(V\) if wavelength of incident light is \(λ\) and it is \(2\) \(V\) for \(3λ\). Find threshold wavelength.

The speed of sound in oxygen in STP will be approximately? Given that \(R=8.3 \) and \(y=1.4\)

A boy can throw a stone up to a maximum height of 10 m. The maximum horizontal distance that the boy can throw the same stone will be?

If the power of a light source is P and frequency of photons emitted is f. Find number photons emitted in time t.

Statement 1: Positive zero error is added in measured value.
Statement 2: Defect may occur during manufacturing of measuring instruments

For the block shown, \(F_1\) is the minimum force required to move block upward and \(F_2\) is the minimum force required to prevent it from slipping find \(| F_1 - F_2|\)

Two charges \(Q\) and \(3Q\) are kept in a line separated by a distance \(R\). Electric field is zero at a distance x from \(Q\). Find the value of \(x\).

In the meter bridge shown below, the null point is at 40 cm from A. If R is shunted by 22, find the distance of new balance point from A

If current in a conductor \(3t^2 + 4t^3\), charge = \(?\), flow \(t = 1\; to\; t = 2s\)

Find equivalent resistance between A and B for a given circuit in ___ohms.

Determine Min. Energy released when an electron jumps to ground state in Balmer series from infinity.

A liquid drop of radius R is divided into 27 identical drops. If the surface tension of the drops is T, then find work done in this process.

Find minimum deviation in a thin prism if refractive index \(μ = cot\bigg(\frac{A}{2}\bigg)\). Here \(A\) represents the angle of prism.

Determine ratio of de broglie wavelength of \(α- particle\) and proton of same kinetic energy is

A uniform disk of mass \(50\) \(kg\) is rolling without slipping with a speed of \(0.4 \;m/s\). Find minimum energy required to bring the disk to rest (in \(J\)).

A stationary hydrogen atom deexcites from first excited state to ground state. Find recoil speed of hydrogen atom up to nearest integer value.
(mass of hydrogen atom = \(1.8 \times 10^{-27}\) \(kg\))

In the system shown below, the pulley \(4\) string are ideal. If the acceleration of blocks is \(\frac{g}{8}\) , find \(\frac{m_1}{m_2}\)

The magnetic flux through a loop varies with time as \(Φ= 5t^2 -3t +5\). If the resistance of loop is \(8\) , find the current through it at \(t = 2\) \(s\)