Absorption of Light
Physics ⇒ Light and Optics
Absorption of Light starts at 9 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Absorption of Light.
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See sample questions for grade 9
A student observes that a blue object appears black under red light. Explain why this happens.
A student places a thermometer on a black surface and a white surface under sunlight. Which thermometer will show a higher temperature after 10 minutes?
A student shines a flashlight on a piece of black paper and a piece of white paper. Which paper will absorb more light energy?
Describe how sunglasses protect your eyes from sunlight using the concept of absorption.
A student observes that a blue object appears black under red light. Explain why this happens.
A student places a thermometer on a black surface and a white surface under sunlight. Which thermometer will show a higher temperature after 10 minutes?
A student shines a flashlight on a piece of black paper and a piece of white paper. Which paper will absorb more light energy?
Explain why a green plant under only red light will not appear green.
If a material absorbs 100% of the incident light, what is its appearance? (1) White (2) Transparent (3) Black (4) Colored
Which color of visible light is absorbed the least by a red object? (1) Red (2) Blue (3) Green (4) Yellow
Which of the following colors absorbs the most light? (1) Red (2) Blue (3) Black (4) White
Which of the following is an example of light absorption in daily life? (1) A mirror reflecting your image (2) A black t-shirt getting warm in the sun (3) A window letting light pass through (4) A prism splitting light into colors
A blue object appears blue because it __________ blue light and __________ other colors.
A red shirt appears red because it __________ red light and __________ other colors.
Fill in the blank: The darker the color of a material, the __________ light it absorbs.
The ability of a material to absorb light depends on its __________ properties.
True or False: A material that absorbs all wavelengths of visible light will appear white.
True or False: A white object absorbs all the colors of visible light.
True or False: All materials absorb the same amount of light.
True or False: The absorption of light by a material can cause its temperature to increase.
