AP EAMCET 2026 Engineering test on May 12 saw 3.53 lakh students appear for the online CBT across two shifts. This piece collects AP EAMCET 2026 May 12 Memory-based Questions and Solutions and gives quick ways to verify answers, estimate scores and plan your next steps.

Quick snapshot: AP EAMCET 2026 May 12 Memory-based Questions and Solutions at a glance

Below is a one-glance table to help you check the essentials fast.

How to use this article: use the memory-based question lists below to cross-check what you remember, compute an estimated score, and note weak spots to revise while waiting for official communications.

AP EAMCET 2026 May 12 Memory-based Questions and Solutions — Shift 1

Shift 1 (09:00–12:00) was reported as the tougher session for Physics. Below are representative memory-based questions students recalled, with unofficial answers and short notes to help you sanity-check your responses.

Physics (Shift 1) — sample memory-based questions and quick solutions

• Q1: A body of mass 5 kg is moving with velocity 10 m/s. If a constant force of 20 N is applied in the direction of motion, what is the acceleration?

• Answer (unofficial): 4 m/s² . Note: a = F/m = 20/5.

• Q2: Unit of universal gravitational constant G?

• Answer: N·m²/kg² .

• Q3: If temperature of an ideal gas is doubled and pressure is halved, what happens to volume?

• Answer: Volume increases 4 times (from PV = nRT).

• Q4: Which has same dimensions as Planck’s constant h?

• Answer: Angular momentum (L) .

• Q5: If kinetic energy increases by 300%, by what percent does momentum increase?

• Answer: 100% (KE ∝ v²; KE increase by 300% means new KE = 4× old so v doubles and momentum doubles).

• Q6: Convex lens focal length 20 cm. Power?

• Answer: +5 D (P = 1/f in metres; f = 0.2 m).

• Q7: Adiabatic process relation between P and V?

• Answer: PV^γ = constant .

• Q8: Three resistors 2 Ω, 4 Ω, 6 Ω in parallel. Equivalent resistance?

• Answer: 12/11 Ω ≈ 1.09 Ω .

Observed shift-1 note: students reported about 8–9 tough physics questions focusing on kinetic energy, torque, elastic behaviour and basic mechanics numericals. If Physics felt hardest to you, prioritise quick formula checks and practice similar numericals.

Chemistry (Shift 1) — sample memory-based questions and quick solutions

• Q1: Oxidation state of P in H3PO4?

• Answer: +5 .

• Q2: Ore of aluminium?

• Answer: Bauxite .

• Q3: Bond angle in CH4?

• Answer: 109°28' .

• Q4: Catalyst used in Haber’s process?

• Answer: Finely divided iron (with Mo promoter) .

• Q5: Maximum electrons in M shell?

• Answer: 18 .

• Q6: Linear molecule among given options?

• Answer: CO2 .

• Q7: IUPAC name of the simplest ketone?

• Answer: Propan-2-one (Acetone) .

• Q8: Temperature where gas volume theoretically becomes zero?

• Answer: -273.15°C (absolute zero).

• Q9: Colligative problem: Given data yields molar mass of X as 120 g/mol (students reported this numeric result).

Quick tip: Shift-1 chemistry had a mix of NCERT-style direct questions and a few application problems. Historically around 70% of Chemistry items are NCERT-based; use that to prioritise revisions.

Mathematics (Shift 1) — sample memory-based questions and quick solutions

• Q1: If |A| = 5 for a 3×3 matrix A, find |adj(A)|.

• Answer: 25 (|adj A| = |A|^{n-1} = 5^{2} for n=3).

• Q2: Eccentricity of hyperbola x^2/16 - y^2/9 = 1?

• Answer: 5/4 (1.25) .

• Q3: Probabilities for three students solving a problem: 1/2, 1/3, 1/4 — probability problem is solved?

• Answer: 3/4 (1 - probability none solve = 1 - (1/2·2/3·3/4) = 1 - 1/4).

• Q4: If adj(A) = B for 3×3 A, |adj(B)| in terms of |A|?

• Answer: |A|^4 .

• Q5: Coin tossed 5 times — exactly 3 heads?

• Answer: 5/16 .

• Q6: z = 1 + i√3, find z^10.

• Answer: reported as 512 + 512i√3 (students shared polar form simplification).

• Q7: Distance between parallel lines 3x + 4y + 5 = 0 and 3x + 4y + 15 = 0?

• Answer: 2 units .

Student note: Mathematics in Shift 1 was time-consuming with lengthy calculations from locus, conics, parametric equations and standard limits. If you missed time, practise quicker algebraic manipulations and standard formula recall.

AP EAMCET 2026 May 12 Memory-based Questions and Solutions — Shift 2

Shift 2 (14:00–17:00) memory-based items were similar in structure but students found Physics relatively easier than Shift 1. Below are representative questions and unofficial answers.

Physics (Shift 2) — sample memory-based questions and quick solutions

• Q1: Two point charges +2 μC and +6 μC repel with 12 N. If a charge of -2 μC is added to each, new force?

• Answer: Zero (charges become 0 and +4 μC? Student reports gave answer as Zero — treat carefully when checking your memory).

• Q2: In which process is work done zero?

• Answer: Isochoric process .

• Q3: Light from air to medium n = √3 with incidence 60°, angle of refraction?

• Answer: 30° .

Chemistry (Shift 2) — sample memory-based questions and quick solutions

• Q1: Which element has highest electronegativity?

• Answer: Fluorine (F) .

• Q2: Shape of p-orbital?

• Answer: Dumbbell-shaped .

• Q3: Gas released when sodium reacts with ethanol?

• Answer: Hydrogen (H2) .

• Q4: Monomer of natural rubber?

• Answer: Isoprene (2-methyl-1,3-butadiene) .

Mathematics (Shift 2) — sample memory-based questions and quick solutions

• Q1: lim x→0 (sin 5x)/x?

• Answer: 5 .

• Q2: If A is 2×2 and A^2 = I, find A^-1.

• Answer: A (A^-1 = A since A^2 = I).

• Q3: Bag with 4 red, 6 blue; two drawn without replacement. Probability both blue?

• Answer: 3/5 or 1/3? (Students reported 1/3 for a related variant; double-check your question wording when tallying.)

• Q4: Centre of circle x^2 + y^2 - 4x + 6y + 9 = 0?

• Answer: (2, -3) .

Shift-2 note: students described Mathematics again as time-consuming, with more calculus and algebra. Physics was reported moderate and Chemistry relatively easy to moderate with many direct NCERT-style items.

Subject-wise breakdown: what to expect and how students rated difficulty

Physics

Students labelled Physics the toughest in Shift 1 , with roughly 8–9 numericals classified as difficult. Key topics that caused trouble: kinetic energy problems, torque, elasticity and some thermodynamics numericals. If Physics was weak for you, revise energy-momentum relations, torque/rotation basics, and standard thermodynamics formulae.

Quick Physics tips

• Memorise standard formulae (KE, momentum relations, rotational inertia basics).
• For numericals, write units and do a quick dimensional check.
• If a question looks lengthy, check whether a conceptual shortcut (conservation laws) applies.

Chemistry

Chemistry stayed the most scoring section for many. Historically around 70% of Chemistry questions follow NCERT basics or direct factual/definition-style questions. Shift reports show a mix of direct NCERT questions and a few numerical/application items (stoichiometry, atomic structure).

Quick Chemistry tips

• Revise NCERT reactions, common reagents and identification questions.
• For physical chemistry numericals, keep mol, molarity, freezing point and gas laws formulae at fingertips.

Mathematics

Maths was consistently time-consuming in both shifts. Common hard areas reported were conics (eccentricity, centre), locus, parametric equations, calculus limits and matrix determinants.

Quick Mathematics tips

• Practice standard result lists (centres of conics, distance formulas, matrix identities).
• During the test, solve quick scoring questions first (probability, basic trigonometric limits) and leave longer derivations for later.
• Learn to recognise when to convert to standard forms to save time.

Shift-wise quick comparison table

How to calculate your estimated score and sanity-check it

Step-by-step method

1. From memory-based lists above and your own rough sheet, count the number of answers you are confident are correct.
2. Each correct answer = +1 mark . No negative marking means you do not lose marks for guesses.
3. Add total correct answers across the three sections for your raw estimated score.

Adjustments for memory errors

• If you rely solely on memory, allow a small margin (±1–3 marks) for misremembered questions. Cross-check with peers or multiple unofficial keys where possible.
• Avoid counting a question twice or including similar memory fragments as separate questions.

Sample estimated-score table (examples)

Because there is no negative marking, a simple total of correct answers equals your estimated score. Use a conservative margin if you are unsure about specific items.

Interpreting estimated scores: what’s a competitive number

Official cutoffs and exact rank mappings depend on total applicant performance and official normalization; those figures are not released in this memory-based report. As a general guide:

• Aim to improve subject-wise accuracy rather than guess totals. Chemistry is often highest-scoring; strong Chemistry + moderate Maths and Physics gives an edge.
• If your estimated score is in the higher band among peers you know, start shortlisting colleges and branches you prefer and prepare documents for counselling.

Subject-wise strategy to improve counselling rank

• If you scored well in Chemistry but lower in Maths/Physics, consider branch options where Chemistry weight matters less.
• For borderline ranks, focus on improving your position by checking official answer keys and preparing for possible re-evaluation windows (if available).

Next steps after verifying answers

What to watch for

• Watch the official exam authority website and your login portal for announcements about official answer keys and result schedules. This article uses memory-based unofficial material; final decisions must come from official communications.

Immediate actions (within 24–72 hours)

• Save screenshots or clear photos of your rough work and any memory-based question lists you compiled.
• Calculate a conservative estimated score and note which questions you are unsure about.
• Compare with a small trusted peer group to see common memory matches — higher overlap increases confidence that an answer is correct.

How to use unofficial keys responsibly

• Use multiple unofficial solutions to cross-check any ambiguous questions.
• Do not assume memory-based lists are exact copies of the CBT; small wording differences can change answers.

Common student checklist: within 24–72 hours after the exam

• Save your rough sheets and any screenshots from test day.
• Compute estimated score and keep a conservative margin for memory errors.
• Start shortlisting colleges and branches based on current estimated score.
• Keep scanned copies of documents (10th, 12th marksheets, Aadhar, photo) ready for counselling.

Resources and quick tools (tables to help you act fast)

Shift schedule and exam format

Simple score calculator template (copy and use)

Where to verify official updates

• Check the official exam authority website and your candidate login for official answer keys, final results and counselling notices. Rely on official releases for final rank and seat allotment.

Final reminders

• Memory-based questions and unofficial solutions are useful for quick self-assessment and planning. They are not substitutes for official answer keys.
• Because AP EAMCET is CBT-only, no physical question papers will be issued after the exam — keep your own notes and screenshots safe.
• Use this period between exam and results to prepare your documents and shortlist colleges based on conservative estimated scores.

FAQs

Q1: What was the difficulty level on May 12? A1: Overall moderate. Physics was the toughest in Shift 1; Mathematics was time-consuming in both shifts; Chemistry ranged from easy to moderate.

Q2: How many marks for each correct answer? A2: 1 mark for each correct answer.

Q3: Is there negative marking? A3: No. There is no negative marking for incorrect answers.

Q4: Are official question papers released after the CBT? A4: No physical question papers are available after the CBT. Watch the official exam authority website for answer keys and results.

Q5: How many students appeared on May 12? A5: 3.53 lakh students reportedly appeared for the May 12 engineering exam.

Q6: What should I do if Physics felt very tough for me? A6: Document which questions you remember, compute a conservative estimated score, and focus short-term revision on mechanics, energy-momentum relations and thermodynamics while you wait for official keys.