NEET UG · Physics · Ray Optics and Optical Instruments
Spherical Mirrors: NEET previous year questions
1 questions in ten years of NEET, in 1 of 10 papers. Pattern: Gone quiet. Here is how it is asked and which ideas come back.
- Asked in 10 years
- 1
- about 0.1 per paper
- Years asked
- 1/10
- last asked 2018
- Weighted estimate
- 0.0
- model; history: 0.1 a paper on average, typically 0
Key findings
- 01
Asked in 1 of 10 papers, 1 questions in all: #200 of 204 topics by ten-year total. Last asked in 2018.
- 02
100% of its questions since 2018 tested an idea never asked before; none repeated an idea from the year before.
- 03
No idea in this topic has been asked twice: every question tested something new.
- 04
NEET has asked 1 of the 76 ideas in this topic; 74 have never been asked, directly or indirectly.
- 05
Mostly asked as numerical (100%); 0% easy, 0% hard.
Questions per year
- Up to 2023
- 0.1
- per paper
- Since 2024
- 0.0
- -0.1
- Usual gap
- –
- between papers asking it
- Swing
- ±0.3
- questions, year to year
How it is asked
Difficulty, format and skill
Across all 1 questions on Spherical Mirrors since 2017.
Difficulty
QUESTIONS- Easy0 · 0%
- Medium1 · 100%
- Hard0 · 0%
Format
SHARE- Numerical · 1 Q100%
Skill tested
SHARE- Calculation · 1 Q100%
Repeats
New idea, or one asked before?
Each column is a paper. Blue questions tested an idea NEET had not asked before; navy ones went back to an idea from an earlier paper. 2017 is the first paper, so everything in it counts as new.
- Idea asked for the first time
- Idea asked in an earlier paper
Coverage of the topic
NEET has asked 1 of the 76 ideas in this topic. 74 have never been asked yet.
- Asked directly1 · 1%
- Touched inside another question1 · 1%
- Never asked74 · 97%
Ideas come from Lumi’s syllabus map of NCERT. A never-asked idea is not a safe skip: most new questions come from exactly these.
Drill down
Idea, year, question
Every idea NEET tested in this topic, with its ten papers. Open one to read the questions.
- 1 · 100%
- 2018 · Q20An object is placed at a distance of 40 cm from a concave mirror of focal length 15 cm. If the object is displaced through a distance of…
mediumNumericalNew idea
- 2018 · Q20
Squares are the ten papers, 2017 to 2026; darker means more questions. Share is of the level above.
Ideas
Every idea inside this topic
1 different ideas were tested; none came more than once. Mirror Formula Application is the foundation for 50 other ideas in the syllabus.
- Mirror Formula Application1×
numerical
Numerical · 4% next · foundation for 50
Chance next is the historical rate at which an idea with this record came back in the following paper. It is low for every idea, which is why learning the topic beats memorising past questions. All repeated ideas
Every question
Spherical Mirrors questions, year by year
The opening words of each question as it appeared in the official paper, with the idea it tested.
NEET 20181 question
- Q20An object is placed at a distance of 40 cm from a concave mirror of focal length 15 cm. If the object is displaced through a distance of…
Idea: Mirror Formula Application
New ideaMediumNumerical
Questions from the official NEET UG papers published by NTA (CBSE before 2019). Topic and idea tags, counts and notes are Lumi’s.