Optics and Laser Physics Quiz

What is the principle behind the Nicol prism?

• Reflection

• Refraction

• Polarization

• Diffraction

Which type of crystals exhibit double refraction?

• Amorphous solids

• Biaxial crystals

• Metals

• Uniaxial crystals

What is the purpose of a quarter wave plate?

• To absorb light

• To disperse light

• To reflect light

• To polarize light

What phenomenon does Fresnel's explanation relate to?

• Polarization

• Optical activity

• Diffraction

• Interference

What device is used to measure specific rotatory power?

• Refractometer

• Interferometer

• Polarimeter

• Spectrometer

What is the main function of optical pumping in lasers?

• To stabilize the laser output

• To excite atoms to a higher energy state

• To cool the laser medium

• To increase the laser beam width

Which laser is known for its application in ophthalmology?

• He-Ne laser

• Argon laser

• Ruby laser

• CO2 laser

What is the process of stimulated emission in lasers?

• Emission of light with external energy

• Emission of light without external energy

• Reflection of light

• Absorption of light

What is a key application of lasers in medicine?

• Surgery

• Ultrasound

• MRI scanning

• X-ray imaging

Which of the following is a property of lasers?

• Random phase

• Incoherent light

• Divergent beam

• Monochromatic light