Year 8 Light Revision

Which property of light is illustrated in this image?

• Light travels at 300,000,000m/s

• Light travels in straight lines

• Light is a wave

• Light is a particle

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

What is the name given to a material which lets most of the light pass through it?

• Opaque

• Translucent

• Clear

• Transparent

Tags

NGSS.MS-PS4-2

What is the name given to the type of material which will not let any light pass through?

• Opaque

• Translucent

• Clear

• Transparent

What is the speed of light

• 300 m/s

• 300,000 m/s

• 300,000,000 m/s

• 300,000,000,000 m/s

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

What type of objects are shadows formed behind?

• Opaque

• Translucent

• Clear

• Transparent

What type of shadow is observed at part a?

• Penumbra

• Umbra

• Umbro

• Penumbro

What type of shadow is observed at part b?

• Penumbra

• Umbra

• Umbro

• Penumbro

Moving an object further away from a light source will make the shadow

• Smaller

• Bigger

• Wider

• Taller

the Image shows a simplified diagram of a pinhole camera. Which statement describes the image formed?

• Diminished, upright and real

• Magnified, upright and real

• Diminished, inverted and real

• Magnified, inverted and real

the Image shows a simplified diagram of a pinhole camera. Moving the camera further away from the object will make the image

• Smaller

• Bigger

• Blurry

• Sharper