List of top Physics Questions asked in CUET (PG)

For a force F to be conservative, the relations to be satisfied are:
A. \(\frac{\partial F_y}{\partial x} - \frac{\partial F_x}{\partial y} = 0\)
B. \(\frac{\partial F_z}{\partial y} - \frac{\partial F_y}{\partial z} = 0\)
C. \(\frac{\partial F_x}{\partial z} - \frac{\partial F_z}{\partial x} = 0\)
D. \(\frac{\partial F_y}{\partial x} - \frac{\partial F_x}{\partial y} = \frac{\partial F_z}{\partial y} - \frac{\partial F_y}{\partial z} = \frac{\partial F_x}{\partial z} - \frac{\partial F_z}{\partial x} \neq 0\)
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If any two rows (or columns) of a determinant are identical then the value of the determinant is:

Match List-I with List-II on the basis of two simple harmonic signals of the same frequency and various phase differences interacting with each other:

LIST-I (Lissajous Figure)LIST-II (Phase Difference)
A.Right handed elliptically polarized vibrationsI.Phase difference = \( \frac{\pi}{4} \)
B.Left handed elliptically polarized vibrationsII.Phase difference = \( \frac{3\pi}{4} \)
C.Circularly polarized vibrationsIII.No phase difference
D.Linearly polarized vibrationsIV.Phase difference = \( \frac{\pi}{2} \)


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If \(\vec{A} = \vec{\nabla} \times \vec{F}\), then \(\oiint_S \vec{A} \cdot \hat{n} dS\) (for any closed surface S) is:
The S.I. unit of compressibility is:
A siren on a tall pole radiates sound waves uniformly in all directions. At a distance of 15 m from the siren, the sound intensity is 0.250 W/m\(^2\). The intensity of sound at distance 75 m from siren is:
A point charge +Q is placed at the origin. The electric potential at point (3a,4a,0) in terms of k, Q and a is:
The electric potential inside a charged conducting sphere is constant. The charge distribution inside the sphere will be:
The eigen values of matrix \(A\) are 1, -2, 3. The eigen values of \(3I - 2A + A^2\) are:
A. 2
B. 6
C. 8
D. 11
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Inside a uniformly charged spherical shell, the value of the electric field at distance r from the center is:
The projection of vector \(\vec{A}=\hat{i}-2\hat{j}+\hat{k}\) on vector \(\vec{B}=4\hat{i}-4\hat{j}+7\hat{k}\) is:
The real and imaginary parts of \(\log(x+iy)\) are:
A tuning fork of unknown frequency sounded with a tuning fork of frequency 256 Hz produces 4 beats per second. If a small quantity of wax is fixed on first fork so that it produces 3 beats per second with tuning fork, what will be the frequency of first fork (in Hz)?
If \(|\vec{A}+\vec{B}| = |\vec{A}-\vec{B}|\) then the angle between vectors \(\vec{A}\) and \(\vec{B}\) is:
Which of the following conditions will lead to Anomalous dispersion?
In the steady state of temperature, the flow of heat across the body depends upon its:
A. thermal capacity
B. thermal conductivity
C. temperature difference across its opposite faces
D. thermal resistivity
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A conducting sphere of radius R carries a total charge Q. The electric field at a distance r>R from the center is:
The gravitational field at a point in space is:
In the context of conductors in electrostatic equilibrium, the relationship between electric field and the conductor's surface is:

Match the LIST-I with LIST-II

LIST-I (Expressions)LIST-II (Values)
A.\( i^{49} \)I.1
B.\( i^{38} \)II.\(-i\)
C.\( i^{103} \)III.\(i\)
D.\( i^{92} \)IV.\(-1\)


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Displacement of a particle at any instant of time t is y = 5 sin(100\(\pi\)t + \(\phi\)). The frequency of oscillation of the particle is:
When in a small pond a person in rowboat, throws an anchor overboard, what happens to the water level?
A parallel-plate capacitor has a dielectric slab of thickness d and dielectric constant K inserted between the plates. The capacitance change compared to the vacuum case (when no slab is inserted) is:
The electric field just outside a charged conductor is E. The electric field just inside the conductor is:

Match the LIST-I with LIST-II

LIST-I (Type of decay in Radioactivity)LIST-II (Reason for stability)
A.Alpha decayIII.Nucleus is mostly heavier than Pb (Z=82)
B.Beta negative decayIV.Nucleus has too many neutrons relative to the number of protons
C.Gamma decayI.Nucleus has excess energy in an excited state
D.Positron EmissionII.Nucleus has too many protons relative to the number of neutrons


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