Lesson Colour and lenses lessonWorksheet Colour and lenses worksheetLab Colour and lenses labTest Colour and lenses testQuiz Colour and lenses quizQuick answer: White light is a mixture of colours that a prism splits into a spectrum by dispersion, with violet bent most. This grade 8 science quiz checks colour and lenses with 10 multiple-choice questions and instant feedback; every answer comes with a short explanation.
The tests book with mark schemes · Grade 8 science
Every chapter in one PDF school book of 66 pages, to print or keep on your tablet.
See the book This colour and lenses quiz for grade 8 science has quick multiple-choice questions with instant feedback. Need a refresher first? Read the lesson or do the worksheet on colour and lenses .
Choose the best answer for each of the ten questions. Each has one correct option and three common mistakes as distractors. Read the explanation after each answer, especially if you chose a wrong option.
Level: Grade 8 science (Year 9 · Class 8) · Curriculum: MS-PS4-2
Colour and lenses quiz: the questions
What is the splitting of white light into colours by a prism called? Which colour of light is bent the most by a glass prism? How does a red apple look in pure green light? Which colours does a yellow filter transmit? What colour do red, green and blue lights make where they overlap equally? Where is the image formed by a converging lens when the object is beyond 2F? A 2.0 cm object has an image 6.0 cm tall. What is the magnification? Which part of the eye contains the light-sensitive cells? What happens to the pupil in very bright light? When does a converging lens act as a magnifying glass?
Name the splitting of white light by a prism. — Dispersion. Order of the spectrum, red first? — Red, orange, yellow, green, blue, violet. Which colour bends most in a prism? — Violet. What are the primary colours of light? — Red, green and blue. What does a coloured filter do? — Transmits its own colours and absorbs the rest. Why does an object look a certain colour? — It reflects that colour and absorbs the others. Define the focal point of a converging lens. — Where parallel rays meet after the lens. Formula for magnification? — M = image height ÷ object height. Which part of the eye has light-sensitive cells? — The retina. Image on the retina: real or virtual, which way up? — Real and inverted. Keep going with Lina
Continue your learning journey More grade 8 science quizzes More grade 8 science lessons More grade 8 science worksheets More grade 8 science labs More grade 8 science testsThe tests book with mark schemes · Grade 8 science
Every chapter in one PDF school book of 66 pages, to print or keep on your tablet.
See the book