Light

Which ones are correct?

I.Light is an energy

II. Working in dim light is good for our eyes.

III. Light travels 300,000 km per second.

• I & II

• I & III

• II & III

• Only III

How long does sunlight reach our world?

• 24 hours

• 12 minutes

• 8 second

• 8 minutes

which is the invisible ray?

• red

• blue

• yellow

• ultraviolet

what color is sunlight ?

• yellow

• red

• white

• orange

how many colors are in the rainbow ?

• 7

• 6

• 5

• 4

Which of the following is caused by the separation of the sun's rays into their colors as they pass through the water droplets?

• light spectrum

• White light

• the rainbow

• bubble

When rotated quickly, the wheel changes color and turns white. Thus, it is shown that white light consists of all colors of the rainbow. Which scientist invented this color circle?

• Tesla

• Newton

• Faraday

• Einstein

What is the reason for the mirror image of objects and beings?

• refraction of light

• reflection of light

• absorption of light

• light diffusion

Which is the subfield of physics that studies light and vision phenomena?

• mechanical

• optical

• magnetism

• atom

which causes light pollution

I. Eye health deterioration

II. Increase in electricity use

III. Having accidents

• only I

• I & II

• I& III

• I, II, III