What are 7 uses of light?

Answer 1

Sun plays a very important part for all the Living creatures in this world, if there were No Sun no creature could have existed, Plants grow due to sun light, they absorb sunlight and make their food, solar absorption panel are being currently widely used in many different parts of the world for electricity in which Panel Absorbs sunlight and generates electricity.

Answer 2

1. To keep us (humans)

Healthy by supplying us with

Vitamin D.

2.To aid the Photosynthesis

Cycle, Changing Carbon

Dioxide into Oxygen, Which is

Important in survival of mankind

And beast alike.

3.To tell day from night, so our sleep patterns aren't changed.

4. To tell the time with the aid of a sundial. In primitive times the sun was a big part of time measurement.

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5.To grow grass for livestock consumption.

6.To create green energy (solar) for a cleaner electrical option that's better for our atmosphere.

7. To dry clothing. Sunlight has a sterilizing effect.

8. To lift our spirits especially after a dreary winter.

9. Fruit/crop ripening, so we can have a range of food and a balanced diet.

10. To help healthy growth of underwater plants and coral reefs.

Answer 3

1. Illumination for visibility and safety.
2. Energy source for photosynthesis in plants.
3. Communication through optical fibers.
4. Medical applications such as laser surgery.
5. Detection and analysis in scientific research and technology.
6. Entertainment and artistic expression in Photography and light shows.
7. Security and surveillance systems for monitoring and recording.

Answer 4

the uses are televison radio computer kettle transports

Answer 5

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