The Science of Seeing - Part 1

What is the primary purpose of using full beam headlights on dark roads?

• To save battery power

• To see farther and wider

• To signal other drivers

• To reduce glare

Why is light essential for visibility?

• It creates shadows

• It reflects off objects into our eyes

• It changes the color of objects

• It makes objects heavier

In the experiment, why was the candle flame visible even in the dark?

• It was larger than other objects

• It was closer to the observer

• It was a luminous object emitting its own light

• It was the only object in the room

What happens to the visibility of objects as light levels increase in the experiment?

• Objects remain the same

• Objects become more visible

• Objects become less visible

• Objects change color

What distinguishes luminous objects from non-luminous objects?

• Luminous objects are always larger

• Luminous objects reflect light

• Luminous objects emit their own light

• Luminous objects absorb light