Optics and Light Test Review

What type of image is created in this picture?

• inverted, real

• upright, real

• inverted, virtual

• upright, virtual

What type of image in created in this picture?

• inverted, real

• inverted, virtual

• upright, real

• upright, virtual

the image will appear...

• magnified

• nowhere,because the rays do not meet at a point

• virtual

• upright

• all of the above

The angle of incidence is always the same number as the...

• total reflection

• half the sum

• angle of reflection

• the mirrors edge

Tags

NGSS.MS-PS4-2

What is wrong with this ray diagram?

• a ray refracts in empty space without changing mediums

• a ray is drawn from the bottom of the object

• a ray is drawn from the middle of the object

• all answer choices are incorrect

The image produced in a plane mirror will always be...

• virtual

• real

An object has a threshold frequency of 10^4 Hz. Which color of incident light would definitely cause photoelectrons to be ejected?

• Red

• Yellow

• Green

• Blue

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Light is incident upon an object, but the light's frequency is below the object's threshold frequency. Increasing the brightness of the light will...

• not have any effect

• cause photoelectrons to be ejected

• cause photoelectrons to have more energy

• cause photoelectrons to have more heat

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Light is incident upon an object and the light's frequency is above the object's threshold frequency. Increasing the intensity of the light will...

• not have any effect

• cause photoelectrons to be ejected

• cause photoelectrons to have more energy

• cause photoelectrons to have more heat

Tags

NGSS.HS-PS4-3

the energy of a photon is directly related to its frequency

• True

• False

Tags

NGSS.HS-PS4-1