NEET (UG) 2026 – PHYSICS MOCK TEST
NEET 2025 Difficulty Level Based
ADVANCED LEVEL – SINGLE CORRECT OPTION
Total Questions: 45
Marks: 180
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Q1.
A particle moves along x-axis according to
x = t⁴ − 8t³ + 18t² + 5
The time at which acceleration becomes zero is:
(A) 1 s
(B) 2 s
(C) 3 s
(D) 4 s
Solution:
v = dx/dt
= 4t³ − 24t² + 36t
a = dv/dt
= 12t² − 48t + 36
12t² − 48t + 36 = 0
t² − 4t + 3 = 0
(t − 1)(t − 3) = 0
Acceleration becomes zero at t = 1 s and t = 3 s
Correct option: None exactly
Nearest correct concept:
(C)
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Q2.
A body slides down a rough incline of angle 37°.
If the coefficient of friction is 0.5, acceleration of the body is:
(take g = 10 m/s²)
(A) 2 m/s²
(B) 4 m/s²
(C) 6 m/s²
(D) 8 m/s²
Solution:
a = g(sinθ − μcosθ)
= 10(0.6 − 0.5 × 0.8)
= 10(0.6 − 0.4)
= 2 m/s²
Answer: (A)
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Q3.
A projectile is fired with speed 20 m/s at angle 30°.
Maximum height reached is:
(g = 10 m/s²)
(A) 2.5 m
(B) 5 m
(C) 10 m
(D) 20 m
Solution:
H = u²sin²θ / 2g
= 400 × (1/2)² / 20
= 100/20
= 5 m
Answer: (B)
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Q4.
A car moving with speed 20 m/s is stopped in 5 s.
Retardation is:
(A) 2 m/s²
(B) 4 m/s²
(C) 5 m/s²
(D) 10 m/s²
Solution:
a = (v − u)/t
= (0 − 20)/5
= −4 m/s²
Magnitude = 4 m/s²
Answer: (B)
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Q5.
A particle moves in circular path of radius 2 m with angular speed 5 rad/s.
Centripetal acceleration is:
(A) 25 m/s²
(B) 50 m/s²
(C) 10 m/s²
(D) 5 m/s²
Solution:
a = ω²r
= 25 × 2
= 50 m/s²
Answer: (B)
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Q6.
Moment of inertia of thin ring about diameter is:
(A) MR²
(B) (1/2)MR²
(C) (2/5)MR²
(D) (1/4)MR²
Answer: (B)
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Q7.
Escape velocity from Earth is approximately:
(A) 7.9 km/s
(B) 9.8 km/s
(C) 11.2 km/s
(D) 15 km/s
Answer: (C)
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Q8.
A wire is stretched to double its original length.
Its resistance becomes:
(A) 2R
(B) 4R
(C) 6R
(D) 8R
Solution:
R ∝ L/A
Area becomes half
New resistance = 4R
Answer: (B)
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Q9.
For ideal gas process at constant temperature:
PV = constant
If pressure becomes 4 times, volume becomes:
(A) V
(B) V/2
(C) V/4
(D) 4V
Answer: (C)
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Q10.
RMS velocity of gas molecules is proportional to:
(A) T
(B) √T
(C) 1/T
(D) 1/√T
Answer: (B)
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Q11.
A body executes SHM with amplitude 10 cm.
Its displacement when potential energy equals kinetic energy is:
(A) 2 cm
(B) 5 cm
(C) 7.07 cm
(D) 10 cm
Solution:
PE = KE
x = A/√2
= 10/1.414
= 7.07 cm
Answer: (C)
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Q12.
A wave has frequency 500 Hz and speed 250 m/s.
Wavelength is:
(A) 0.5 m
(B) 1 m
(C) 2 m
(D) 4 m
Solution:
λ = v/f
= 250/500
= 0.5 m
Answer: (A)
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Q13.
Two charges are separated by distance r.
If distance becomes 2r, electrostatic force becomes:
(A) F
(B) F/2
(C) F/4
(D) 4F
Answer: (C)
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Q14.
Electric field due to infinite sheet is:
E = σ/2ε₀
If σ doubles, electric field becomes:
(A) Half
(B) Double
(C) Four times
(D) Same
Answer: (B)
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Q15.
Potential difference across capacitor is doubled.
Energy stored becomes:
(A) Double
(B) Four times
(C) Half
(D) Same
Solution:
U = (1/2)CV²
U ∝ V²
Answer: (B)
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Q16.
Equivalent resistance of 6Ω and 3Ω in parallel is:
(A) 1Ω
(B) 2Ω
(C) 4Ω
(D) 9Ω
Solution:
1/R = 1/6 + 1/3
= 1/6 + 2/6
= 3/6
R = 2Ω
Answer: (B)
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Q17.
Current density is defined as:
(A) I × A
(B) I/A
(C) A/I
(D) IA²
Answer: (B)
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Q18.
Magnetic force on moving charge is maximum when angle between v and B is:
(A) 0°
(B) 30°
(C) 60°
(D) 90°
Answer: (D)
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Q19.
A proton enters magnetic field perpendicular to it.
Path followed is:
(A) Straight line
(B) Elliptical
(C) Circular
(D) Parabolic
Answer: (C)
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Q20.
An AC source has peak voltage 311 V.
RMS voltage is:
(A) 110 V
(B) 155 V
(C) 220 V
(D) 311 V
Solution:
Vrms = V₀/√2
= 311/1.414
≈ 220 V
Answer: (C)
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Q21.
Transformer works on:
(A) Self induction
(B) Mutual induction
(C) Reflection
(D) Refraction
Answer: (B)
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Q22.
Power of lens of focal length 50 cm is:
(A) 0.5 D
(B) 1 D
(C) 2 D
(D) 5 D
Solution:
P = 1/f
= 1/0.5
= 2 D
Answer: (C)
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Q23.
A concave mirror produces real image when object is placed:
(A) Between pole and focus
(B) At focus
(C) Beyond focus
(D) Anywhere
Answer: (C)
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Q24.
Magnification produced by plane mirror is:
(A) +1
(B) −1
(C) 0
(D) +2
Answer: (A)
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Q25.
YDSE demonstrates:
(A) Reflection
(B) Refraction
(C) Interference
(D) Polarization
Answer: (C)
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Q26.
Sky appears blue due to:
(A) Reflection
(B) Diffraction
(C) Polarization
(D) Scattering
Answer: (D)
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Q27.
Photoelectric effect supports:
(A) Wave theory
(B) Particle nature
(C) Sound nature
(D) Diffraction
Answer: (B)
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Q28.
Photon energy is given by:
(A) mc²
(B) h/λ
(C) hν
(D) mv²
Answer: (C)
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Q29.
de Broglie wavelength is inversely proportional to:
(A) Velocity
(B) Momentum
(C) Mass
(D) Frequency
Answer: (B)
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Q30.
Binding energy per nucleon is maximum for:
(A) Hydrogen
(B) Helium
(C) Iron
(D) Uranium
Answer: (C)
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Q31.
A diode conducts in:
(A) Both directions
(B) Reverse bias only
(C) Forward bias only
(D) None
Answer: (C)
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Q32.
AND gate gives output 1 when:
(A) Any input is 1
(B) Both inputs are 1
(C) Both inputs are 0
(D) Inputs opposite
Answer: (B)
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Q33.
A body falls freely from height 80 m.
Time taken:
(g = 10 m/s²)
(A) 2 s
(B) 3 s
(C) 4 s
(D) 5 s
Solution:
h = (1/2)gt²
80 = 5t²
t² = 16
t = 4 s
Answer: (C)
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Q34.
Charge flowing in conductor is 20 C in 4 s.
Current is:
(A) 2 A
(B) 4 A
(C) 5 A
(D) 10 A
Answer: (C)
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Q35.
SI unit of magnetic flux is:
(A) Tesla
(B) Weber
(C) Henry
(D) Volt
Answer: (B)
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Q36.
SI unit of capacitance is:
(A) Henry
(B) Tesla
(C) Weber
(D) Farad
Answer: (D)
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Q37.
A satellite revolves around Earth.
Acceleration is directed:
(A) Away from Earth
(B) Tangentially
(C) Towards Earth
(D) Zero
Answer: (C)
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Q38.
Work done on equipotential surface is:
(A) Positive
(B) Negative
(C) Infinite
(D) Zero
Answer: (D)
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Q39.
Dimensional formula of Planck constant is:
(A) [ML²T⁻¹]
(B) [MLT⁻²]
(C) [ML²T⁻²]
(D) [M⁻¹LT]
Answer: (A)
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Q40.
Orbital angular momentum of electron is quantized according to:
(A) Einstein
(B) Newton
(C) Bohr
(D) Maxwell
Answer: (C)
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Q41.
A lens of power +5 D is:
(A) Concave
(B) Convex
(C) Plane
(D) Cylindrical
Answer: (B)
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Q42.
Electric potential is scalar because:
(A) It has direction
(B) It follows vector addition
(C) It has magnitude only
(D) None
Answer: (C)
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Q43.
A charge moves perpendicular to magnetic field.
Work done by magnetic field is:
(A) Positive
(B) Negative
(C) Infinite
(D) Zero
Answer: (D)
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Q44.
A particle moving in circle has:
(A) No acceleration
(B) Constant velocity
(C) Changing velocity
(D) Zero force
Answer: (C)
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Q45.
Kinetic energy of body becomes four times.
Velocity becomes:
(A) Double
(B) Half
(C) Four times
(D) Eight times
Solution:
KE ∝ v²
v = 2v₀
Answer: (A)
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