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Questions on Light

Q8. A teacher shines a laser beam onto a classroom window. It reflects off the window and onto a screen.

(a) On the diagram below, continue the laser beam to show its path as it reflects off the window and onto the screen. Use a ruler. Add arrows to show the direction of the laser beam.

2 marks

(b) When a pupil plays her flute in the classroom the window vibrates. When the window vibrates, what happens to the laser beam that is reflected off the window?

1 mark

maximum 3 marks