Light

Do you love this type of assesment?

• Yes

• NO

How many colours can be seen in a visible spectrum?

• 1

• 6

• 7

• 3

The splitting of white light into seven constituent colours is known as

(a)  

Name of the equipment used to separate white light

• lens
• prism
• filter
• mirror

Dispersion happens because light is

(a)  

The primary colours of light are

• red, blue, and purple
• red, green, and yellow
• red, green, and blue
• red, yellow, and blue

Reorder the following from higher wavelength to lower wavelength

• red

• orange

• violet

• blue

• green

The question is about addition of colors (in light) Red+green=​ ​ (a)   ​

• cyan
• yellow

blue+red=​ ​ ​ (a)   ​

• magenta
• yellow

blue+green​ (a)   =​ ​ ​ ​

• cyan
• magenta