Eduqas A-Level Physics · EDUQAS A120QS
2.8 Lasers
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Lasers
- A surgeon uses a laser to cut through tissue during an operation. Explain why a laser beam… (5 marks, Explain)
- A laser is used in a supermarket barcode scanner to read the barcodes on products. Explain… (5 marks, Explain)
- A student says: 'Laser light and the light from a torch are both forms of electromagnetic … (5 marks, Evaluate)
- Explain how a laser produces a beam of light that is different from the light produced by … (5 marks, Explain)
- Describe the properties of laser light that make it suitable for use in eye surgery, and e… (5 marks, Describe and Explain)