Measuring Light Intensity

Light always travels in a ____________ line.

• straight

• curved

• elliptical

• none

The intensity of the light can be measured using a _______________.

• intensity

• volt meter

• stop watch

• light meter

The unit of light intensity.

• Meter

• lamp

• lux

• volt

________________ often use light meter.

• doctors

• office workers

• photographers

• layers

As one gets further (far) from a light source, the intensity of light ______________.

• increases

• decreases

Tags

NGSS.MS-PS4-2

A form of energy that we can see.

• Light

• Sound

• Heat

• Force

100 000 lux

This light intensity can usually be found in ______________.

• shady place

• starlight

• direct sunlight

• overcast day

Your classroom usually has how much light intensity?

• 400 lux

• 400 meter

• 4000 lux

• 4000 meter

Tags

NGSS.MS-PS4-2

The time now is 7.00 am.

What is the possible lux measurement?

• 1000

• 800

• 600

• 400

Which of the following is not important to measure light intensity?

• For safety

• For plant growth

• For listening

• For photographer