Can I believe my eyes? IQWST PS1 LS3 - LS4 (lessons 9-13)

Front

What type of wave can be used to create images that allow doctors to see Pneumonia in a patient?

Back

X-Ray

Front

If a blue light is shined on a blue object, how will that object appear to us?

Back

Blue

Front

Why does an orange look orange when white light shines on it?

Back

The orange scatters only orange light and absorbs the rest of the light.

Front

What is the term for the bending of light?

Back

Diffraction

Front

Which cells in the eye respond to brightness?

Back

Rods

Front

What is the visible spectrum?

Back

The range of wavelengths of light that can be seen by the human eye, typically from about 380 nm to 750 nm.

Front

What happens to light when it hits a black object?

Back

The black object absorbs all wavelengths of light and reflects none.

Front

What is the difference between reflection and refraction?

Back

Reflection is the bouncing back of light when it hits a surface, while refraction is the bending of light as it passes from one medium to another.

Front

What is the role of cones in the human eye?

Back

Cones are photoreceptor cells that detect color and are responsible for vision in bright light.

Front

What is the primary function of the optic nerve?

Back

The optic nerve transmits visual information from the retina to the brain.