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(b) Older television technology uses a cathode ray tube to form an image while modern televisions use liquid crystal dis
Posted: Mon May 16, 2022 3:15 pm
by answerhappygod
- B Older Television Technology Uses A Cathode Ray Tube To Form An Image While Modern Televisions Use Liquid Crystal Dis 1 (23.34 KiB) Viewed 35 times
(b) Older television technology uses a cathode ray tube to form an image while modern televisions use liquid crystal display (LCD) screens which use linear polaroids (polarisers) to generate the image. (1) Outline how a cathode ray tube results in an image being formed on the screen. (4 marks) (ii) If an electron is accelerated from rest through a voltage of 4000 V what speed does the electron strike the screen of a cathode ray tube with? (4 marks)