Dashboard · పరీక్షలు · NSEA
National Standard Examination in Astronomy
HBCSE/IAPT Stage-1 astronomy olympiad. 80 MCQs in 3 hours combining Class 11+12 physics & math with celestial mechanics, spherical trigonometry, and observational astronomy.
Updated 17 Aug 2026 ·Vacancy counts change every cycle — always confirm the exact number in the latest official notification before applying.
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Source: official exam authority notification · refreshed weekly. How this works →
Free NSEA preparation on Shishya
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Work, Energy and PowerA comet of mass m approaches the Sun from infinity with speed v. At its closest approach, its speed is 3v. The distance of closest approach in terms of G, M (Sun's mass), and v is:
Tap an option to check your answer.
డయగ్నోస్టిక్తో ప్రారంభించండి
మీరు ఎక్కడ ఉన్నారో చూడటానికి syllabus అంతటా 10 ప్రశ్నలు.
Verified against the official notification. Source ↗ · last reconciled 2026-05.
Topic-by-topic weightage averaged across 2022-2024 papers. Use this to decide where to invest study hours, not where to skim. Source ↗ · verified 2026-05.
50/216 marks avg
Kinematics + dynamics + rotation + gravitation
60/216 marks avg
Celestial coordinate systems + Kepler's laws + astrometry
50/216 marks avg
Stellar physics + spectra + cosmology basics
30/216 marks avg
Trigonometry + vectors + calculus applications
26/216 marks avg
Observational astronomy + spherical trigonometry
2025
21 ప్రశ్నలు
పేపర్ తీసుకోండి →2024
21 ప్రశ్నలు
పేపర్ తీసుకోండి →2023
20 ప్రశ్నలు
పేపర్ తీసుకోండి →2022
20 ప్రశ్నలు
పేపర్ తీసుకోండి →2021
19 ప్రశ్నలు
పేపర్ తీసుకోండి →Take any mock in your preferred language — use the language picker inside the mock to switch (Hindi, Telugu, Tamil, Bengali, and 15 more).
NSEA — Quick Practice
FULL20 ప్రశ్నలు · 180 నిమి
మాక్ ప్రారంభించండి →NSEA — 2022 (Previous Year)
FULL20 ప్రశ్నలు · 180 నిమి
మాక్ ప్రారంభించండి →NSEA — 2025 (Previous Year)
FULL21 ప్రశ్నలు · 180 నిమి
మాక్ ప్రారంభించండి →Full-length subject tests below — 25 questions each, real exam format, instant scoring. Want to drill a single topic? Every topic has its own 10-question test in the syllabus.
Physics
55 QsMathematics
28 QsElementary Astronomy
38 QsTell Shishya exactly what to test you on — topics, size, difficulty — and get a fresh mock in seconds. Leave the box blank and we'll target your weakest topics.
లీడర్బోర్డ్లో మీరు ఎక్కడ ఉన్నారో చూడటానికి మాక్ తీసుకోండి.
Students
6
Mocks taken
18
Average score
36%
Top score
70%
What can I get from NSEA?
Mock-score → expected rank → likely outcome. Use the mocks below to find your current band, then plan how many marks you need to climb.
IOAA team contender — top 20
90–100% · Post-based exam (no numeric rank)
Individual student registration for NSEA 2026 opens on August 21 and continues until September 14 through the official IAPT portal. Registration fee is Rs. 300 per student.
The Indian National Astronomy Olympiad (INAO) for NSEA 2026 qualifiers will be held on January 30, 2027. Top 300 students from NSEA advance to this second-stage olympiad conducted by HBCSE.
The National Standard Examination in Astronomy will be conducted on Saturday, November 21, 2026, from 2:30 PM to 4:30 PM across exam centres nationwide. This is the first stage toward IOAA 2026 international representation.
ఏదైనా టాపిక్పై ట్యాప్ చేయండి — నోట్స్ + 10 ప్రశ్నల టాపిక్ టెస్ట్
Units and Measurements
SI units, dimensional analysis, error analysis used heavily in astronomy estimation problems.
Kinematics
Motion in 1D and 2D, projectile motion and relative motion.
Laws of Motion
Newton's laws, friction and circular dynamics.
Work, Energy and Power
Work-energy theorem, conservation laws and elastic/inelastic collisions.
Rotational Motion
Centre of mass, torque, angular momentum and moment of inertia.
OCSC selection range — top 50
82–90% · Post-based exam (no numeric rank)
OCSC borderline — top 100-250
70–82% · Post-based exam (no numeric rank)
INAO qualification likely
55–70% · Post-based exam (no numeric rank)
State merit range
35–55% · Post-based exam (no numeric rank)
Below qualifying threshold
0–35% · Post-based exam (no numeric rank)
AI-curated from historic cut-off patterns. Always verify with the latest official notification before making decisions.
School and centre registration for NSEA 2026 opened on August 1 and closes on August 20, 2026, followed by individual student enrolment from August 21 to September 14, 2026. The exam is scheduled for November 21, 2026.
Centre registration opens
గడిచిపోయిందిSat, 1 Aug, 2026
Schools and exam centres register through IAPT portal
Centre registration closes
గడిచిపోయిందిThu, 20 Aug, 2026
Last date for schools to register as NSEA examination centres
Student enrolment opens
గడిచిపోయిందిFri, 21 Aug, 2026
Individual student registration begins via IAPT portal
Student enrolment closes
22 రోజులు మిగిలాయిMon, 14 Sept, 2026
Final deadline for NSEA 2026 registration (Rs. 300 fee)
🏅NSEA 2026 exam day
90 రోజులు మిగిలాయిSat, 21 Nov, 2026
Saturday, November 21, 2026 | 2:30 PM - 4:30 PM | 2 hours duration
INAO qualifier list published
145 రోజులు మిగిలాయిFri, 15 Jan, 2027
Top 300 NSEA scorers selected for Indian National Astronomy Olympiad
INAO 2027 registration opens
150 రోజులు మిగిలాయిWed, 20 Jan, 2027
Mandatory registration on HBCSE portal for NSEA qualifiers
🏅INAO 2027 exam day
160 రోజులు మిగిలాయిSat, 30 Jan, 2027
Friday, January 30, 2027 | 9:00 AM - 12:00 PM | Stage 2 olympiad
Sets, Relations and Functions
Sets, relations, types of functions and inverse trigonometric functions.
Algebra
Mathematical induction, complex numbers, quadratic equations, sequences and series.
Permutations and Combinations
Counting principles, nPr/nCr and elementary combinatorial reasoning.
Binomial Theorem
Binomial expansion, general term and applications.
Matrices and Determinants
Matrix operations, determinants and solution of linear systems.
Coordinate Geometry
Straight lines, circles and conic sections.
Trigonometry
Trigonometric ratios, identities, equations and inverse trig — heavily used in astronomy.
Three Dimensional Geometry
Direction cosines, lines and planes in 3D.
Vectors
Vector algebra, dot and cross products and applications.
Probability and Statistics
Probability rules, conditional probability, mean, variance and standard deviation.
Mathematical Reasoning
Logical statements, validity of arguments and elementary proof techniques.
Celestial Sphere and Coordinate Systems
Celestial sphere, horizon, equatorial and ecliptic coordinate systems and conversions.
Spherical Trigonometry
Sine and cosine rules on a sphere — used for converting between coordinate systems.
Time and Calendars
Solar and sidereal time, time zones, equation of time, Julian date and calendar systems.
Diurnal and Annual Motion
Daily rising/setting of stars, seasons, solstices, equinoxes and circumpolar stars.
Solar System
Sun, planets, moons, asteroids, comets, meteors and dwarf planets — basic structure and properties.
Celestial Mechanics
Kepler's laws, orbital elements, two-body problem and basic perturbations.
Lunar Phases, Eclipses and Tides
Phases of the Moon, solar/lunar eclipses, occultations, transits and ocean tides.
Stellar Astronomy Basics
Stellar magnitudes, spectral classification, HR diagram and stellar evolution overview.
Photometry and Spectroscopy
Flux, luminosity, inverse-square law, photometric systems and spectral lines.
Galaxies and Cosmology
Milky Way structure, galaxy types, redshift, Hubble's law and basic cosmological ideas.
Night Sky and Constellations
Familiar constellations, bright stars, asterisms and naked-eye object identification.
Telescopes and Instruments
Refracting/reflecting telescopes, magnification, resolving power and modern observatories.
History of Astronomy
Major astronomers and milestones from ancient observations to modern astrophysics.