Light ppt 1

What is light?

• A) A transverse electromagnetic wave

• B) A longitudinal wave

• C) A sound wave

• D) A mechanical wave

Electromagnetic radiation can be detected by the human eye in the form of ______.

• Radio waves

• Visible light

• X-rays

• Gamma rays

White light can be split into its component colors using a ______.

• Mirror

• Lens

• Prism

• Filter

Fill in the blank: The radiation type with a wavelength of 10^-5 meters is ________.

• A) Infrared

• B) Visible

• C) Ultraviolet

• D) X-ray

Which type of radiation is used to see molecules?

• Infrared

• Visible

• Ultraviolet

• X-ray

What happens to light when it hits a surface?

• It is reflected off it

• It is absorbed into it

• It is transmitted through it

• All of the above.

Which material would you use for a window if you want to see clearly outside?

• Transparent

• Translucent

• Opaque

Fill in the blank: A material is called _______ when some light is reflected, and light that passes through is scattered, resulting in a fuzzy image.

• Opaque

• Translucent

• Transparent

• Reflective

Fill in the blank: A _______ material allows some light to pass through but scatters it, making the image fuzzy.

• Opaque

• Translucent

• Transparent

• Reflective

Fill in the blank: A material that scatters light and allows a fuzzy image to be seen is known as _______.

• Opaque

• Translucent

• Transparent

• Reflective