light intensity

The unit of light intensity.

• Meter

• lamp

• lux

• volt

.........................often use light meter.

• doctors

• office workers

• photographers

• layers

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

• intensity

• volt meter

• stop watch

• light meter

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

• increases

• decreases

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

• For safety

• For plant growth

• For listening

• For photographer

This situation shows that

• light travels in a straight line

• light is everywhere

• light penetrates certain objects

• light is produces by the Sun

There are two factors that affect the size of shadow. What are the factors? Tick the correct answers.

• Size of the screen

• Distance of object from the screen

• Distance of object from the light source

• Size of the light source