Worksheetslight shadows and reflections
Total questions: 9
Worksheet time: 5mins
When an opaque object comes in the path of light it forms
an image with colours
shadow
black and white image
depends on the colour of the light
Which of the following is a cold source of light?
Firefly
Tube light
The sun
Electric bulb
……………… objects cast no shadow.
(a)
Shadow is …………
three dimensional
two dimensional
four dimensional
Bouncing back of light from shining surfaces is called
Refraction
Reflection
Bending
Dispersion
Identify the incorrect statement from the following.
Shadows always give us the information about the shape of the object.
mages are different from shadows.
A plane mirror changes the direction of light that falls on it.
The moon is a non-luminous source of light.
Which of the following is not always necessary to observe a shadow?
Sun
Screen
Source of light
Opaque object
...............objects partially reflects the light.
Opaque
Transparent
Translucent
None of these
________________ help us to see an object
reflection
light
