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Image Formation by Spherical Mirrors, SPM Physics Form 4

Image Formation by Spherical Mirrors is content standard 6.6 of Light and Optics in the SPM Physics syllabus (Form 4, code 4531). Here is what it means, how it is examined, and how to master it one-to-one.

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What this covers

This standard sits within Light and Optics. In a one-to-one lesson we make sure the idea is clear first, then move straight to applying it in the exact way SPM asks, with correct units and full working.

How it is examined

It can appear in Paper 1 (objective) and Paper 2 (structured), and where an experiment applies, in Paper 3. We do not predict which questions appear; we prepare the technique for all of them.

A common mistake

Students often lose marks here by skipping units or rounding too early. Keep units on every line and round only at the end.

How to study it

Learn the definition precisely, practise one or two SPM-style questions with full working, and link it to the rest of Light and Optics. If it keeps costing marks, a one-to-one lesson fixes exactly that.

Light and Optics · Formulas · Exam Papers

What you need to know

Image Formation by Spherical Mirrors (standard 6.6) is part of Light and Optics in Form 4. Be able to define its key terms with the correct SI units and explain the idea in one precise sentence.

How it is examined

In Paper 1 this appears as an objective question; in Paper 2 as a define, explain, describe or calculate item. Watch the command word: "define" wants one sentence, "explain" wants the physics reason, "calculate" wants formula, substitution with units, and the answer with its unit.

We never predict which questions will appear.

Source: DSKP KSSM Physics Form 4 and 5 (Versi English) (Bahagian Pembangunan Kurikulum (BPK), KPM)

Written by the spmphysics.com.my editorial team.· Updated 5 Sept 2026

Frequently asked questions

Is Image Formation by Spherical Mirrors hard?
It is manageable with the right practice. A one-to-one lesson makes sure you understand the definition and can apply it in questions.
What language are lessons in?
English; SPM papers are bilingual (BM/EN).
Which chapter is this in?
Light and Optics (Form 4).
Is a formula given for this?
This standard is concept- or skill-based; marks come from definitions and reasoning, not a formula.
Can a tutor go through this with me?
Yes, one-to-one, online, from RM50/hr, with a one-hour paid trial.

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