اختبار الكتروني درس Seeing colored objects

1
When sunlight strikes a red transparent glass sheet, the sheet appears …………..
2
The green glass bottle ……… when white light falls on it.
3
When white light falls on an orange translucent box , ……..
4
The transparent and translucent objects have the same color of ……..
5
When white light strikes a blue dress, the dress appears ………….
6
The white clothes appear white when white light falls on them, because ………..
7
mixing red& green lights give………light
8
mixing all the primary coloured lights give……..
9
we wear white clothes in summer season to …….
10
the blachboard …….when White lights falls on it