Refraction

1 mark · Easy

What happens to the speed of light as it passes from air into glass?

AIt increasesBIt decreasesCIt stays the sameDIt becomes zero

› Show answer

Correct option: It decreases

Common mistakes: It increases

› Show mark scheme and worked solution

Marking points

B1 · 1 mark · Correctly identifies that the speed decreases.

Worked solution

The speed of light decreases as it passes from air (less dense) into glass (more dense).

← Previous Next question →

Report a problem with this question

What's wrong? The question looks wrong The expected answer looks wrong The marking scheme looks wrong The wording is unclear A diagram or image has a problem It's not from this part of the syllabus Something else

Tell us more (optional)

Want SubjectCover to remember your results?

Save your history, get your answers evaluated, track syllabus coverage and see what to practise next.

During Early Access, answer evaluation and explanations are currently free, subject to fair-use limits.

Create Free Account Sign in

SubjectCover

SubjectCover is an independent assessment and practice platform and is not affiliated with or endorsed by Pearson.

Pearson and Edexcel are trademarks of their respective owners.

Free practice Privacy Terms Contact