Light [Physics] Important Question For 2018 KPSC Exam CPO - WayToPsc.com

Thursday, 29 March 2018

Light [Physics] Important Question For 2018 KPSC Exam CPO

Light Physics Question 2018 Kerala PSC Exam Question | New Questions About Light From Physics | Important Questions For 2018 KPSC All Exam | Physics PSC Question And Answer 2018
  1. Study of light - Optics 
  2. Speed of light - 3 x 108 m/s 
  3. Time taken by Sun light to reach earth 8 minute 20 seconds (500 Seconds) 
  4. Time taken by moonlight to reach earth 1.3 seconds 
  5. Light travels fastest in - Vacuum ➢ Light is a transverse wave. 
  6. Speed of Light was first measured by Ole Christian Romer 
  7. The medium in which the Speed of light is least - Diamond
  8. The medium in which density of Light is maximum - Diamond 
  9. The medium in which density of light is minimum - Vacuum 
  10. Particle which travels faster than light - Tachyons 
  11. Tachyons were discovered by - ECG Sudarsan 
  12. The Scientist who proved that light is an electro magnetic wave - Henrich Hertz 
  13. Unit of wavelength of light - Angstrom 
  14. Order of speed of light in different medium is - glass < water < air < vaccum 
  15. Rainbow is always formed in the opposite direction of sun 

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