Solutions of CPET PHYSICS EXAM 2026 (Part-1)

Added: 2026-05-10

[00:00:00]Hello students, good time to all. I am Chandan Kumar Frahan. Welcome to YouTube channel Chandan Physics. In this video, we are going to discuss the solutions of CPT Physics 2026.

[00:00:17]Let's begin.

[00:00:21]CP physics exam discussions next year physics exam for student.

[00:01:12]Thanks.

[00:01:15]Question number one. If a coordinate is cyclic, the conserved quant quantity is cyclic coordinate discussion.

[00:01:49]PK is equal to D Qin.

[00:02:04]Option number C. Correct. Conjugate momentum.

[00:02:17]Next question number two. For a central force, which quantity is conserved?

[00:02:24]Central force.

[00:02:26]Angular momentum conserved. Option number B.

[00:02:30]Gravitation question.

[00:02:37]of angular in case of central force field constant.

[00:02:48]Question number three, the Hamiltonian represents total energy when no explicit time dependence. No explicit time dependable particularly option number B correct answer degrees of freedom of a rigid body in three dimension threedimensional degrees of freedom body of freedom in plain polar coordinates angular momentum angular momentum angular momentum angular angular momentum delta. Uh this is uh uh linear momentum cross distance that is mv cross r² theta dot m r² theta dot option number correct m r² theta dot next question number six work done by conservative force over a closed path closed path Work done force will be zero distance.

[00:04:29]The electric potential due to a dipole at large distance inverse square of the distance option number beta is correct.

[00:04:45]The boundary condition for tangential component of E vector at the uh interface no time B and tangential componential component number or discrete discussion Electromagnetism question. Sorry, question. Electromagnetic field theory question.

[00:05:21]Next question number n.

[00:05:30]Question number nine. Maxwell's correction to amp law introduces Maxwell.

[00:05:42]Option number B.

[00:05:46]Energy density U of electromagnetic field. Energy density due to electric field and magnetic field. Elect this is H²= B square option B. Correct. The pointing vector represents pointing vector energy flux vector E cross S E cross S S vector stands for pointing vector electric field. This one is the magnetic field.

[00:06:26]The divergence of magnetic field is zero. Magnetic field divergence zero.

[00:06:31]Magnetic field diverg.

[00:06:44]No magnetic monopole exist.

[00:06:47]Wave equation for electric field in free space. Free space electric field wave equation. Option number beta is correct.

[00:06:53]G square mu epsylon del square e by del t². The intrinsic impendance of free space free space intrinsic impendance uh mu divided by epsylon round root option number aing impedance free space. These are direct question the lens force. Lawrence force electric field.

[00:07:29]Option number B, Lawrence force.

[00:07:37]Question number 16.

[00:07:52]Question number 16. In electrostatics, grad cross E is equal to zero. That implies crosservative option number field.

[00:08:08]Magnetic vector potential satisfies magnetic vector potential satisfies the field. Magnetic vector potential B is equal to grad class A.

[00:08:19]Option number B.

[00:08:22]Conductor at electrostatic equilibrium.

[00:08:24]Electrostatic equilibrium inside that of conductor electric field zero. Inside that of conductor electric field zero.

[00:08:30]Option number B again correct. Skin depth in a conductor increases with skin deprecifier frequency input frequency double double that of input frequency.

[00:08:53]The gain of a common emitter amplifier is generally uh common emitter amplifier gain greater than one. This is for current amplification and voltage amplification concept. An ideal op input impedance input impedance ideally voltage regulator voltage regulator question number 24 the cutff frequency of an RC lass filter RC cutff frequency 1 divided by 2 pi RC option number B the divergence of call of any vector field. Divergence of call divergence of call of any vector field identity.

[00:09:52]Option number C zero.

[00:09:55]The for transform of f of x d of x - a direct delta function of for transform e to ^ i option number b laplas transform of sin a sin laplas transform a / s² + a Direct functions infinity plus infinity e^ - x² dx. This is the definition of gamma function. The definition of gamma function value gamma value under root of pi.

[00:10:37]Option number c is correct.

[00:10:40]The Rayman equations are used to test S equation equation functional by using equation option number B.

[00:10:56]The generating function of a legendary polinomial summation of P and X T^ generating function. Legendary generative function function recurrence relation orthogonality conditions.

[00:11:10]Just monarchy value 1 / 1 - 2xt + t² under root option number b correct.

[00:11:20]Next question number 21.

[00:11:25]The solution of bessel equation of order n x b equation solution grad square v equal to z equation equation number correct answer equation the excess pressure inside the soap bubble the radius of r excess pressure 40 / r option number c option number according to posy Law equation volume through the capillary proportional 35.

[00:12:18]The damned oscillations amplitude oscillation gradually Exponentially decreases exponentially.

[00:12:31]Resonance occurs in force vibration.

[00:12:33]Force vibration driving frequency natural frequenc.

[00:12:43]Option number A. Viscosity of a liquid generally decreases with the temperature.

[00:12:54]temperature liquid gas solid liquid situation correct answer. The binding energy per nucleon is maximum. Banding energy per binding energy most stable iron.

[00:13:30]Question number 39. The semiimpirical mass formula is based on semiimpirical mass formula liquid model 39. Option B is correct.

[00:13:44]Uh in beta decay neutron converts to beta decay neutron electron option number B correct.

[00:14:09]The Q value of that nuclear reaction represents Q option number B. The spin and parity of even every nuclei ground state spin and parity even every nucle 0 plus the magic numbers arises due to mag number the neutral relates alpha particle energy of half condition for destructive interference simple 2n + 1 lambda x2 destructive interference condition first minimum in single draction occurs A sin theta= lambda first minimum sin theta lambda first minimum single defraction rate question number 47 resving power of a telescope proportional to resolving power d / 1.22 2 I think of lambda proportional divided by lambda breers angle breers angle tan theta equal n2 / n1 option number cart wave plate introduce phase difference of quarter wave plate path difference lambda divided by four that corresponding to phase difference of by2 laser light is laser light property monochromatic and coherent solutions.

[00:15:45]Next question to 85 number of questions.

[00:16:18]The solutions of CP physics 2026 first 50 questions. Next video.

[00:16:27]So with this useful and informative notes let me wind off the session. Thank you.