NEET PHYSICS TUTOR DOUBT 45

Complete Physics practice page from the uploaded assessment paper, covering only Physics questions Q1 to Q45 with clickable options, official answer mapping, solutions, NEET marking and final scoring.

Physics Q1-Q45 Correct +4 Wrong -1 Full-width Elementor HTML
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Premium NEET Physics Practice and Doubt Support

Physics can be the subject that carries a serious NEET aspirant across the finish line. When concepts, formula application and numericals are revised with discipline, marks improve quickly and confidence becomes stable. If Physics is still creating doubt, confusion or fear, contact Kumar Sir for clear, step-by-step and exam-oriented guidance.

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Why Strong Physics Preparation Is Now More Important Than Ever

NEET Physics rewards clarity, speed and accuracy. Students who revise formulas but also understand when and how to apply them can solve numerical questions with far fewer mistakes. A strong Physics score can separate a prepared aspirant from the crowd because every correct calculation directly improves rank.

Important Message for NEET 2027 ,2028,2029,2030 and Future Aspirants

Future NEET aspirants should start Physics early and practise consistently. Class 11 and Class 12 chapters are connected, so weak basics in motion, energy, waves, electricity or modern physics can affect later topics. Build habits of formula revision, timed practice, error analysis and solution reading from the beginning.

Kumar Sir Physics Guidance

If you are searching for a Physics Tutor for NEET and still facing difficulty in concepts, doubt-solving, numericals, or formula application, you may contact Kumar Sir. Kumar Sir explains Physics topics in a very clear, step-by-step and exam-oriented way.

Important Formula Revision: all physics of class 11 and 12

Before starting the question paper, revise the most important formulas from Class 11 and Class 12 Physics. The quick cards below are designed for fast NEET revision, especially for calculation-heavy areas where students often know the formula but lose marks in application.

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write all formulae for class 11 ,12 physics

Important Formula Revision for NEET Physics: all physics neet

Focus chapters for immediate revision: kinetic theory, oscillation and wave. All formulas are shown in bold styling so students can scan them quickly before solving the paper.

Kinematics

v = u + at
s = ut + (1/2)at2
v2 = u2 + 2as
Range = u2sin2θ/g

Laws, Work, Power

F = ma
p = mv
W = Fscosθ
K = (1/2)mv2
P = dW/dt = Fv

Rotation

τ = Iα
L = Iω
Krot = (1/2)Iω2
v = Rω

Gravitation

F = GMm/r2
g = GM/R2
V = -GM/r
ve = √(2GM/R)

Properties of Matter

Y = stress/strain
P = F/A
v = √(Y/ρ)
Surface energy = TΔA

Thermodynamics

PV = nRT
ΔU = nCvΔT
W = PΔV
TVγ-1 = constant

Kinetic Theory

P = (1/3)ρcrms2
Kavg = (3/2)kT
vrms = √(3RT/M)
λ = 1/(√2πd2n)

Oscillations

F = -kx
x = A sin(ωt + φ)
vmax = Aω
T = 2π√(m/k)
Tpendulum = 2π√(l/g)

Waves

v = fλ
y = A sin(ωt - kx)
vstring = √(T/μ)
fbeat = |f1 - f2|
β = 10log(I/I0)

Electrostatics

F = kq1q2/r2
E = F/q
V = kq/r
C = Q/V
U = (1/2)CV2

Current Electricity

V = IR
R = ρL/A
P = VI = I2R
vd = I/neA
ε = V + Ir

Magnetism, EMI, AC

F = qvBsinθ
F = BILsinθ
Φ = BAcosθ
ε = -dΦ/dt
Z = √[R2 + (XL-XC)2]

Optics

1/f = 1/v - 1/u
m = h'/h = v/u
μ = sin i/sin r
β = λD/d
Power = 1/f

Modern Physics

E = hf = hc/λ
eVs = hf - φ
rn = r0A1/3
N = N0e-λt

Semiconductors

IE = IB + IC
β = IC/IB
α = IC/IE
gm = ΔIC/ΔVBE

Students preparing for NEET must revise all physics of class 11 and class 12 very carefully because these chapters often involve calculation, formula selection and conceptual confusion. Many students know the formulas but make mistakes while applying them in numerical questions. This question sheet has been designed to help students practise these topics in a focused and exam-oriented way. Every future NEET aspirant should attempt these questions seriously, check the solution carefully, and identify weak areas before the final exam.

Question Index

Status: cream = not attempted, gold = selected, green = correct, red = wrong
Q1 +4 / -1
The dimensional formula of electrical conductivity is
Q2 +4 / -1
The speed-time (v-t) graph for a particle in straight line motion is as shown. Average speed from time t = 0 to t = 4 s
Speed-time graph for question 2
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Q3 +4 / -1
The position of a particle along a straight line is denoted by the equation x = 6 + 12t - t3. Here x is in metre and t is in second. The magnitude of acceleration of the particle when it is at rest is
Q4 +4 / -1
An object of mass 3 kg is at rest. If a force F = 3t2î + 9ĵ (N) acts on the object, then velocity of the object at t = 2 second (in m/s) is
Q5 +4 / -1
A bullet of mass 5 gram leaves a rifle of mass 20 kg with a speed of 1000 m/s and strikes a wall at same level with a speed of 500 m/s at a distance of 50 m from rifle. The work done by bullet in overcoming the air resistance is
Q6 +4 / -1
On the surface of a planet of mass M and radius R, the acceleration due to gravity is g. If we go on another planet of same density but half the radius, then on the new planet the acceleration due to gravity
Q7 +4 / -1
Masses are kept at the corners of a regular pentagon as shown. Distance between centroid and any vertex of the pentagon is R. If another point mass m0 is kept at the centroid of the pentagon then force acting on m0 due to masses is
Pentagon mass arrangement for question 7
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Q8 +4 / -1
From a uniform circular disc of mass M and radius R, a small circular disc of radius R/3 has been cut out as shown. The centre of mass of the original disc shifts by a distance
Cut-out disc diagram for question 8
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Q9 +4 / -1
A thin rod of mass M and length L is bent at its mid point at 110°. Moment of inertia of this bent rod about an axis perpendicular to the plane and passing through mid-point as shown is
Bent rod moment of inertia diagram for question 9
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Q10 +4 / -1
A solid cubical block of length 10 cm is put in liquid A of density 1.2 g/cm3 floating over another liquid B of density 7.2 g/cm3. If the density of cubical block is 3.6 g/cm3, then the ratio of length of block immersed in liquid A to liquid B is
Q11 +4 / -1
Two isochoric lines for volume V1 and V2 are shown on pressure-temperature (P-T) diagram below. It can be concluded that
P-T graph for question 11
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Q12 +4 / -1
An ideal monatomic gas at 27°C is compressed suddenly to 8/27 of its original volume adiabatically. The rise in temperature of the gas is
Q13 +4 / -1
If the length of simple pendulum is increased by 1.44%, then its time period will
Q14 +4 / -1
A standing wave having 3 nodes and 2 antinodes is formed in a string of length one metre. The wavelength of standing wave is
Q15 +4 / -1
The equation of a plane progressive wave is given by y = 5 sin[2π(t/10 - x/18) + π/4], where x and y are in cm and t is in second. Now which of the following is true?
Q16 +4 / -1
Two concentric conducting spheres of radii R and r (R < r) have similar charges with equal surface charge density σ. The electric potential at their common centre is
Q17 +4 / -1
Four equal resistors R each are connected to form a square ABCD, one in each side. If an electric potential V is applied between points A and B then current flowing out of B is
Q18 +4 / -1
The ratio of the radii of the nuclei of 2713Al and 12552Te is
Q19 +4 / -1
In the circuit shown, if the power consumed in 6 Ω resistor is 24 W then the power consumed in 4 Ω resistor is
Resistor circuit for question 19
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Q20 +4 / -1
In the circuit shown the reading of ammeter long time after the key is closed is
Ammeter and inductor circuit for question 20
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Q21 +4 / -1
The truth table given below belongs to
X Y Z
0 0 0
0 1 1
1 0 1
1 1 0
Q22 +4 / -1
The typical I-V characteristic graph for photo-diode is
Q23 +4 / -1
For an equilateral prism of material refractive index μ = √2, the angle of minimum deviation is
Q24 +4 / -1
A rocket is fired vertically up with net acceleration of 5 m/s2. After 10 second the fuel got exhausted. Maximum height from the ground upto which the rocket goes is (Take g = 10 m/s2)
Q25 +4 / -1
A projectile is thrown up with initial speed u making angle θ with the horizontal. It reaches the maximum height H. If maximum height is to be doubled then initial speed of throw for same angle θ is
Q26 +4 / -1
In the arrangement shown, the coefficient of friction between the block B (mass = 10 kg) and the horizontal floor is μ = 0.4. If the mass of the hanging block A is 10 kg then the acceleration of the blocks is (pulley and string are ideal and g = 10 m/s2)
Block and pulley system for question 26
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Q27 +4 / -1
A block of mass m1 moving with speed u undergoes head-on elastic collision with another mass m2 at rest. The fraction of energy transferred by m1 to m2 is
Q28 +4 / -1
A block of mass m falls vertically on a horizontal floor of coefficient of restitution e = 0.8. The fraction of energy lost during collision is
Q29 +4 / -1
A boy of mass 40 kg is standing at one end of a floating boat of mass 200 kg. The boat is 6 m long. If the boy moves to the other end of the boat then the distance moved by the boat with respect to the fixed ground is
Q30 +4 / -1
A uniform wooden plank of mass 30 kg is kept on two supports X and Y as shown. The length of the plank is L. Reaction force applied by Y as shown is (g = 10 m/s2)
Uniform plank support diagram for question 30
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Q31 +4 / -1
A hollow sphere of mass m and radius R is kept on a rough horizontal surface. It is hit hard so that it starts sliding with initial speed v. Its velocity of centre of mass when it starts pure rolling is
Q32 +4 / -1
An ideal gas undergoes a thermodynamic process a to b as shown on pressure-volume (P-V) diagram. The work done by the gas during this process
P-V process diagram for question 32
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Q33 +4 / -1
The capacitance of each capacitor C in the network shown is 60 μF. The equivalent capacitance between points a and b is
Capacitor network for question 33
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Q34 +4 / -1
A cylindrical metal rod of length L and cross-sectional area S is joined to an EMF source. The drift speed of electrons in the rod is v. If this rod is replaced by another rod of length 2L and cross-sectional area 2S then drift speed of electrons in the new rod will be
Q35 +4 / -1
If e, m and h represent electronic charge, mass of electron and Planck's constant respectively then Bohr's magneton is represented as
Q36 +4 / -1
Magnetic susceptibility is small and negative for
Q37 +4 / -1
Two induction coils of self induction 3 mH and 6 mH are connected in series. Their mutual induction is absent. The equivalent inductance is
Q38 +4 / -1
In the circuit shown, resistance/reactance of R, L and C are 40 Ω, 80 Ω and 50 Ω respectively. The supply emf is 250 V, 50 Hz AC. The RMS current flowing in the circuit is
Series RLC circuit for question 38
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Q39 +4 / -1
An astronomical telescope has an objective of focal length 100 cm and eye piece of focal length 5 cm. Maximum magnification of this telescope is
Q40 +4 / -1
In a Young's double slit experiment in front of one of the slits a thin transparent sheet of thickness t and refractive index μ is inserted. The entire fringe pattern will be shifted by a distance (d - separation between slits; D - distance of screen from the slits and λ - wavelength of light used)
Q41 +4 / -1
In a photoelectric experiment the stopping potential V is plotted against applied frequency f for three different materials A, B and C as shown. Which of the following materials has largest threshold wavelength?
Stopping potential versus frequency graph for question 41
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Q42 +4 / -1
If potential energy of first excited state of hydrogen atom is taken zero then kinetic energy of ground state electron in the hydrogen atom is
Q43 +4 / -1
A radioactive nuclei of mass M emits gamma ray of wavelength λ. The recoil energy of the nuclei is (symbols have usual meanings)
Q44 +4 / -1
Two radioactive substances X and Y have decay constants 3λ and λ respectively. Initially they have same number of nuclei. The ratio of number of nuclei of X to those of Y will be (1/e)3 after a time interval
Q45 +4 / -1
The input resistance of a CE amplifier is 5 kΩ and the load resistance is 20 kΩ. If the current gain is 100 then mutual conductance of the transistor used is

Final NEET Score

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For NEET Physics concepts, doubt-solving, numerical practice and formula application, contact Kumar Sir.

Kumar Physics Classes
Phone / WhatsApp: +91 9958461445
Email: kumarsirphysics@gmail.com
Website: kumarphysicsclasses.com
Call Kumar Sir WhatsApp Kumar Sir Visit Kumar Physics Classes
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