What is/are the application/s of periscope?
a) used in submarine
b) used in battle trenches
c) used in battle tanks
d) all of these
Colour:
White light is a combination of all colors in the color spectrum. It has all the colors of the rainbow. Combining primary colors of light like red, blue, and green creates secondary colors: yellow, cyan, and magenta. All other colors can be broken down into different combinations of the three primary colors.
The colour of the object is determined the colours in light it……..
a) absorbs
b) reflects
c) transmits
d) both a and b
An object has a colour of light that it……….
a) absorbs
b) reflects
c) transmits
d)both a and b
Which of the following colour/s is/are reflected by the red apple?
a) red
b) green
c)all colours except red
d) yellow
Which of the following colour/s is/are absorbed by the red apple?
a)red
b) green
c) all colours except red
d) yellow
