Long answer·Standard multi-step (3/5)·No calculator
Difficulty guide
The label describes the problem, not your ability.
1/5 - Foundational
Warm-up setup; checks one basic idea.
2/5 - Routine exam skill
Normal syllabus skill; usually one main rule or interpretation.
3/5 - Standard multi-step
Exam-style problem with multiple steps or a common trap.
4/5 - Hard exam skill
High-end exam problem; combines methods carefully.
5/5 - Challenge
Stretch problem beyond normal exam pressure.
Question
An object is placed in front of a concave mirror of focal length . Determine the image distance, magnification, and nature of the image.
Total: 5 marks
(a) Find the image distance. (2 marks)
(b) Find the magnification. (2 marks)
(c) State the nature of the image. (1 mark)
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