NCET MOCK TEST

NCET 2026 Physics Domain Free Mock Test | Set 1

BySonu Mahato April 3, 2026April 3, 2026

NCET 2026 Physics Mock Test – Set 1

⚛️ NCET 2026 – Physics Mock Test

Section: 322 – Physics | Set : 1

Total Questions: 28 | Attempt any: 25 | Maximum Marks: 100 | Duration: 1 Hour 30 Min

DOMAIN SUBJECT — PHYSICS

📋 Important Instructions

This section contains 28 questions in total.
Attempt any 25 questions. Questions 1–25 are standard; Questions 26–28 are optional extras — attempt them only if you wish to replace any earlier answer.
Each correct answer carries +4 marks.
Each incorrect answer will deduct −1 mark.
Unattempted questions carry 0 marks.
Maximum score = 25 × 4 = 100 marks.
Topics covered: Electrostatics, Current Electricity, Magnetism, EMI, AC Circuits, Optics, Modern Physics, Semiconductors.

Time Remaining: 01:30:00

Answered: 0/28

Question 1 Electrostatics

Two point charges +4 μC and −4 μC are placed 20 cm apart in vacuum. The electric potential at the midpoint of the line joining them is:

Zero

3.6 × 10⁵ V

7.2 × 10⁵ V

1.44 × 10⁶ V

Question 2 Electrostatics

A parallel plate capacitor has plate area 0.04 m² and plate separation 2 mm. It is connected to a 50 V battery. The energy stored in the capacitor is:

4.42 × 10⁻¹⁰ J

2.21 × 10⁻⁹ J

2.21 × 10⁻⁷ J

4.42 × 10⁻⁷ J

Question 3 Electrostatics

Choose the correct statements from the following:
(A) Electric field inside a conductor in electrostatic equilibrium is zero.
(B) The electric potential on the surface of a charged conductor is uniform.
(C) A dielectric placed in an electric field becomes polarised.
(D) Work done in moving a charge in an equipotential surface is non-zero.

Choose the correct answer from the options given below:

(A), (B) and (C) only

(A), (B) and (D) only

(B), (C) and (D) only

(A), (C) and (D) only

Question 4 Current Electricity

Three resistors of 2 Ω, 3 Ω, and 6 Ω are connected in parallel. The equivalent resistance of the combination is:

11 Ω

2 Ω

1 Ω

0.5 Ω

Question 5 Current Electricity

A cell of emf 1.5 V and internal resistance 0.5 Ω is connected to an external resistance of 2.5 Ω. The terminal voltage of the cell is:

0.75 V

1.0 V

1.2 V

1.5 V

Question 6 Current Electricity

Arrange the following materials in decreasing order of their electrical conductivity at room temperature:
(A) Copper (B) Silicon (C) Silver (D) Glass (E) Aluminium

Choose the correct answer:

(C), (A), (E), (B), (D)

(A), (C), (E), (B), (D)

(C), (E), (A), (B), (D)

(A), (C), (B), (E), (D)

Question 7 Magnetism

A charged particle of charge q and mass m moves with velocity v in a uniform magnetic field B perpendicular to its velocity. The radius of the circular path is:

qvB / m

mv / qB

mqB / v

qB / mv

Question 8 Magnetism

Match List – I with List – II.

List – I (Material type)      List – II (Property)
(A) Ferromagnetic        (I) χ is small and negative
(B) Paramagnetic         (II) χ is large and positive
(C) Diamagnetic          (III) χ is small and positive
(D) Antiferromagnetic (IV) χ ≈ 0

Choose the correct answer:

(A)–(II), (B)–(III), (C)–(I), (D)–(IV)

(A)–(I), (B)–(II), (C)–(III), (D)–(IV)

(A)–(II), (B)–(I), (C)–(III), (D)–(IV)

(A)–(III), (B)–(II), (C)–(I), (D)–(IV)

Question 9 Magnetism

A toroid has 500 turns with mean radius 10 cm and carries a current of 2 A. The magnetic field inside the toroid is approximately:

1.0 × 10⁻³ T

2.0 × 10⁻³ T

3.14 × 10⁻⁴ T

2.0 × 10⁻⁴ T

Question 10 EMI & AC

A coil of area 0.1 m² has 50 turns. It is placed in a magnetic field that changes from 0.1 T to 0.5 T in 0.02 s. The induced emf in the coil is:

100 V

50 V

200 V

25 V

Question 11 EMI & AC

In a series LCR circuit, resonance occurs when:
(A) Inductive reactance equals capacitive reactance.
(B) Impedance is maximum.
(C) Current in the circuit is maximum.
(D) Power factor equals unity.

Choose the correct answer:

(A), (B) and (C) only

(A), (C) and (D) only

(B), (C) and (D) only

(A), (B) and (D) only

Question 12 EMI & AC

If the number of turns of a coil is doubled and the cross-sectional area is also doubled keeping all other parameters the same, the self-inductance of the coil becomes:

2 times the original

4 times the original

8 times the original

16 times the original

Question 13 EM Waves & Optics

Match List – I (EM wave type) with List – II (Wavelength range):

(A) Microwaves      (I) 10⁻¹² m to 10⁻¹⁰ m
(B) X-rays           (II) 400 nm to 700 nm
(C) Visible light     (III) 1 mm to 0.1 m
(D) Infrared rays    (IV) 700 nm to 1 mm

Choose the correct answer:

(A)–(III), (B)–(I), (C)–(II), (D)–(IV)

(A)–(I), (B)–(III), (C)–(II), (D)–(IV)

(A)–(III), (B)–(I), (C)–(IV), (D)–(II)

(A)–(IV), (B)–(I), (C)–(II), (D)–(III)

Question 14 Optics

An object is placed 30 cm in front of a concave mirror of focal length 15 cm. The image formed is:

Virtual, erect, same size as the object

Real, inverted, same size as the object at 30 cm

Real, inverted, magnified at 60 cm

Virtual, erect, magnified at 60 cm

Question 15 Optics

In Young's double-slit experiment, the slit separation is 0.3 mm and the screen is placed 1.2 m away. If light of wavelength 600 nm is used, the fringe width is:

1.2 mm

2.4 mm

0.6 mm

2.0 mm

Question 16 Optics

Choose the correct statements from the following regarding total internal reflection:
(A) It occurs when light travels from a denser to a rarer medium.
(B) The angle of incidence must be less than the critical angle.
(C) Optical fibres work on the principle of total internal reflection.
(D) Mirage is a natural phenomenon based on total internal reflection.

Choose the correct answer:

(A) and (B) only

(B) and (C) only

(A), (C) and (D) only

(A), (B) and (D) only

Question 17 Modern Physics

The work function of a metal is 2.0 eV. Light of frequency 8 × 10¹⁴ Hz falls on the metal surface. The maximum kinetic energy of the emitted photoelectrons is (h = 6.6 × 10⁻³⁴ J·s):

0.3 eV

1.3 eV

1.1 eV

2.0 eV

Question 18 Modern Physics

The radius of the first Bohr orbit of the hydrogen atom is 0.529 Å. The radius of the 3^rd orbit is:

1.587 Å

4.761 Å

2.116 Å

0.176 Å

Question 19 Nuclear Physics

The half-life of a radioactive element is 10 days. The fraction of the original sample that remains after 40 days is:

1/4

1/8

1/16

1/32

Question 20 Nuclear Physics

Which of the following nuclear reactions is an example of nuclear fission?

²H + ³H → ⁴He + ¹n

²³⁵U + ¹n → ¹⁴¹Ba + ⁹²Kr + 3¹n

⁷Li + ¹H → ⁴He + ⁴He

¹⁴N + ⁴He → ¹⁷O + ¹H

Question 21 Semiconductors

Choose the correct statements about p-n junction diode:
(A) In forward bias, the width of the depletion region increases.
(B) In reverse bias, the minority charge carriers are responsible for a small reverse current.
(C) In forward bias, the potential barrier decreases.
(D) In reverse bias, the depletion region widens.

Choose the correct answer:

(A) and (B) only

(B), (C) and (D) only

(A), (C) and (D) only

(A) and (D) only

Question 22 Semiconductors

The output of a NAND gate is 0 when:

Both inputs are 0

One input is 0 and the other is 1

Both inputs are 1

Both inputs are 0 or one is 1

Question 23 Modern Physics

A photon has energy 3.3 eV. Its wavelength (approximately) is: (h = 6.6 × 10⁻³⁴ J·s, c = 3 × 10⁸ m/s, 1 eV = 1.6 × 10⁻¹⁹ J)

375 nm

750 nm

600 nm

300 nm

Question 24 Electrostatics

Two capacitors C₁ = 4 μF and C₂ = 6 μF are connected in series to a 100 V supply. The charge on each capacitor is:

240 μC

400 μC

600 μC

100 μC

Question 25 Optics

The resolving power of a telescope depends on:
(A) The diameter of the objective lens.
(B) The wavelength of light used.
(C) The magnifying power of the eyepiece.
(D) The focal length of the objective.

Choose the correct answer:

(A) and (B) only

(A), (B) and (C) only

(B) and (C) only

(A), (C) and (D) only

Question 26 Current Electricity OPTIONAL

A Wheatstone bridge has arms P = 100 Ω, Q = 200 Ω, R = 300 Ω. For the bridge to be balanced, the value of S must be:

150 Ω

600 Ω

100 Ω

400 Ω

Question 27 EMI & AC OPTIONAL

An AC source of 220 V (rms), 50 Hz is connected to a pure inductor of 2 H. The rms current in the circuit is approximately:

0.35 A

0.70 A

1.10 A

1.40 A

Question 28 Semiconductors OPTIONAL

In a common-emitter transistor amplifier, the current gain β is 100. If the base current changes by 20 μA, the change in collector current is:

0.2 mA

2 mA

20 mA

200 mA

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