Sn Year 4 (Unit 5)

Which statement explain the properties of light

• P and Q

• R and S

• Q and S

• Q and R

Diagram above show the side mirror of a car. What is the function of the mirror?

• Gives light

• Absorbs light

• Reflect light

• Refract light

What are the characteristics of a surface that reflect lights well?

• dark and soft

• rough and uneven

• dull and smooth

• shiny and smooth

The shadow of an object is always .......... in colour

• black

• white

• grey

• blue

................. object allows some light to pass through it.

• Opaque

• Transparent

• Translucent

Navy uses periscope in the submerged submarine to see what is on the land

• True

• False

The ......... the distance between the object and the light source, the smaller the size of the shadow.

• longer

• shorter

• bigger

• smaller

It does not allow any light to pass through it. The materials is

• Opaque

• Transparent

• Translucent

The bending of light as it pass from one medium to another is

• Reflection

• Refraction

• Transparent

• Translucent

What are the factors that affecting the shape of a shadow?

• Orientation of object and position of light source

• Orientation of the light source

• Orientation of a material of light