Cambridge IGCSE Physics practice

Paper 4 structured question: Dispersion of light

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Paper

Marks

Topic

Dispersion of light

Exam-style question

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Paper 4Theory (Extended)1 marks

Monochromatic light is used in various scientific applications.

Description

Monochromatic light is defined as light that has a single frequency. It is often used in lasers and optical instruments.

a
State the definition of monochromatic light.
Your answer
Aim for approximately 1 distinct marking point.
[1]

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Paper 4Theory (Extended)2 marks

Description

Monochromatic light is essential in experiments where precise measurements are required, such as in spectroscopy and laser applications.

a
State two applications of monochromatic light.
Your answer
Aim for approximately 2 distinct marking points.
[2]