Absorption of Light
Physics ⇒ Light and Optics
Absorption of Light starts at 9 and continues till grade 12.
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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.
Describe how the absorption of light is important in the process of photosynthesis.
Explain why a green plant under only red light will not appear green.
Explain why black surfaces become hotter than white surfaces when exposed to sunlight.
Explain why plants appear green in terms of light absorption and reflection.
Explain why wearing light-colored clothes is recommended in hot climates.
If a green leaf appears green, what happens to the red and blue wavelengths of light that fall on it?
If a material absorbs 60% of the light and reflects 30%, what percentage of light is transmitted?
If a material absorbs 80% of the incident light, what percentage of light is not absorbed?
If a material absorbs all wavelengths of visible light, what color does it appear to the human eye?
The absorption of light is an example of which type of energy transformation?
What happens to the energy of light that is absorbed by a material?
What is meant by the absorption of light?
What is the main reason that a black car heats up faster than a white car in the sun?
