Which one of the following statements with regard to ultra violet light is NOT correct?

The correct answer is It is a longitudinal wave.

• Ultraviolet light also called UV light has a wavelength between 10 and 400 nm which is shorter than visible light but it is larger than the X-rays.

Key Points

• It is a type of electromagnetic radiation which is present in sunlight.
• Ultraviolet light contributes to 10% of the total sunlight.
• Ultraviolet light can travel through a vacuum.
• Radio waves, infrared waves, visible light, ultraviolet light, X-rays, and gamma rays are examples of transverse waves. while sound waves and ultrasound waves are examples of longitudinal waves.
• In transverse waves, particles get dispersed in the perpendicular direction in which the waves travel while in longitudinal waves particles are displaced in the parallel direction in which the wave travels.

Additional Information

• Different Types of Wave
  • Wave: The continuous transfer of energy by vibrating the medium of propagation is called a wave.
  • Sound waves, light waves, waves formed due to stretched string are some examples of waves.
  • Longitudinal wave: The wave in which the particles in the medium vibrate in to and fro motion along the line of propagation of the wave is called a longitudinal wave.
  • Transverse wave: The wave in which the particles in the medium vibrates along the perpendicular axis of propagation of the wave is called a transverse wave.
  • Propagation of sound wave: Sound waves travels in the air or any medium by vibrating the air particles along the direction of its motion.

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