NEET UG – Physics Quiz

NEET UG Phsyics

1 / 10

When the distance between plates is doubled (battery still connected), the capacitance C becomes:

C_new = 0.5 * C

C_new = 2 * C

C_new = C

C_new = 0

2 / 10

Which of the following statements about electromagnetic (EM) waves are correct?

They carry energy and momentum.

They are longitudinal waves.

Electric and magnetic fields are perpendicular to each other.

Their speed in vacuum depends on frequency.

3 / 10

For an ideal monoatomic gas, the internal energy U depends only on absolute temperature T and not on volume or pressure (i.e., U = (3/2) * n * R * T).

True

False

4 / 10

An electric dipole of moment p = 3e-8 C*m is placed in a uniform electric field E = 1e5 N/C, making an angle theta = 60 deg with the field.
Find the torque tau = p * E * sin(theta) acting on it (in N*m).
Enter value in scientific notation.

Check

5 / 10

A concave mirror forms a real image twice the size of the object (image height = 2 * object height). If the object is at u = 30 cm, what is the focal length f?

10 cm

15 cm

20 cm

30 cm

6 / 10

If the length of the pendulum is doubled (L_new = 2*L), how does its time period T change?

T_new = sqrt(2) * T

T_new = 2 * T

T_new = 0.5 * T

T_new = T

7 / 10

The refractive index of a medium is n = 1.732. What is the critical angle theta_c (in degrees) for total internal reflection from this medium to air (n_air = 1)?

45

30

60

95

8 / 10

In simple harmonic motion (SHM), acceleration a is directly proportional to displacement x and always directed opposite to it (a = -omega^2 * x).

True

False

9 / 10

A Carnot engine operates between T_hot = 600 K and T_cold = 300 K.
Calculate its efficiency (in %).
Enter numeric value (one decimal place).

Check

10 / 10

A charged particle of mass m and charge q moves in a circular path of radius r under a uniform magnetic field B.
What is the kinetic energy K of the particle?

q^2 * B^2 * r^2 / m

q^2 * B^2 * r^2 / (2*m)

m^2 * B^2 * r^2 / (2*q)

q * B * r / m

Your score is

The average score is 50%

0%

Restart quiz

NEET Physics – Core Ideas, Strategy & What to Focus On

Physics in NEET tests how well a student applies basic principles (mechanics, electricity, optics, thermodynamics, modern physics) to solve quantitative and conceptual problems. The paper favours clear understanding and accurate computation rather than heavy algebraic manipulation. Questions are drawn mainly from NCERT syllabus (Class 11 and 12) but require connecting ideas across topics and interpreting diagrams and graphs.

Why study physics this way?

NEET-style physics questions often present a short scenario — a circuit, a ray diagram, a motion graph, or a physical setup — and ask for a specific value or conceptual conclusion. This format rewards practice with previous years’ questions (2017–2024) and the ability to translate a word problem into equations quickly.

High-yield topics:

Mechanics

kinematics, Newton’s laws, work-energy theorem, rotational motion and moments of inertia. Practice conservation laws and multi-step problems.

Electricity & Magnetism

circuits (DC), electrostatics, magnetic forces, and induction. Be fluent with V = IR, series/parallel combinations, and Faraday’s law.

Optics & Waves

lens/mirror equations, interference, diffraction basics, and wave motion (SHM). Sketching ray diagrams and knowing sign conventions helps.

Thermodynamics & Kinetic Theory

Carnot efficiency, specific heats, and ideal gas laws. Understand energy flows and entropy qualitatively.

Modern Physics

photoelectric effect, atomic spectra, radioactivity — basics and simple calculations.

Study strategy

Master NCERT for all chapters — most NEET concepts come from there.

Maintain an ASCII-friendly formula sheet (use ^ for powers, / for division) — useful for typing practice quizzes and quick reference.

Solve past papers under timed conditions; analyze mistakes and patterns.

Visual practice

Draw diagrams and label forces/fields — NEET loves diagram-based reasoning.

Balance concept and calculation

Spend time on conceptual clarity (1/3) and problem practice (2/3). Use dimensional checks to reduce careless numeric errors.

Final tip

Accuracy + speed wins. Build your confidence with small daily problem sets, keep formulas in computer-friendly notation (F = m * a, C = eps0 * A / d), and review errors after each mock test. With steady practice, Physics becomes a high-scoring and enjoyable NEET section.