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seeing coloured objects

Total questions: 41

Worksheet time: 21mins

Name
Class
Date
1.

When white light falls on an orange translucent box,........

a)

the box absorbs all light colors and apperas black

b)

the box absorbs all light colors and allow the orange color only to pass through

c)

the box reflects the orange color.

d)

the box absorbs the orange color and allows all the light color to pass through.

2.
The green glass bottle...........when white light falls on it.
a)
reflects all light colors
b)
absorbs all light colors and allows the green color only to pass through
c)
absorbs all light colors
d)
reflects the green color only
3.
The transparent and translucent objects have the same color of.......
a)
the absorbed light color.
b)
the transmitted light color.
c)
the reflected light color.
d)
the spectrum light color.
4.
When white light stricks a blue dress, the dress appears........
a)
yellow
b)
green
c)
blue
d)
orange
5.
The white clothes appear white when light falls on them.because……
a)
they absorb all light colors
b)
they reflect all light colors
c)
they absorb all light colors except white color
d)
they allow light color to transmit through
6.
We wear white clothes in summer season to……
a)
reflect all light colors
b)
absorb all light colors
c)
refract all light colors
d)
absorb all light colors except the red color
7.
The blackborad ………..when white light falls on it.
a)
reflect all light colors
b)
absorb all light colors
c)
refract all light colors
d)
absorb all light colors except red
8.
Banana fruit seems yellow in color , because………..
a)
reflect all light colors
b)
absorb yellow color and reflect all other light colors
c)
absorb all light colors and allow the yellow color to pass through
d)
absorb all light colors and reflects the yellow color only
9.
The colored opaque objects………..when the white light strikes them
a)
absorb all light colors and reflects their own color only
b)
reflect all light colors and absorbs their own color only
c)
absorb all light color
d)
reflect all light color
10.
An orange appears ………..when you look at it through a blue transparent glass sheet.
a)
red
b)
yellow
c)
green
d)
black
11.
The following colored lights are primary lights except……..
a)
yellow
b)
green
c)
red
d)
blue
12.
Which of the following considered as a secondary color?
a)
Cyan
b)
Green
c)
Blue
d)
Red
13.
Mixing green and blue lights gives ……..light
a)
yellow
b)
cyan
c)
magenta
d)
red
14.
Mixing all the primary colored lights gives the ……
a)
black light
b)
green light
c)
red light
d)
white light
15.
Which of the colored lights are mixed to produce White colour?
a)
Yellow and red
b)
Cyan and red
c)
Magenta and blue
d)
Yellow and green
16.
Which of the primary colored lights are mixed to produce yellow colour?
a)
Red and green
b)
Red and blue
c)
Blue and green
d)
Blue and cyan
17.
The transparent objects have the same color of the light that transmits through them
a)
Right
b)
Wrong
18.
When the white light strikes a red rose, the rose reflects the white color
a)
Right
b)
Wrong
19.
We see the colored transparent body with the same color , because it reflects all light color
a)
Right
b)
Wrong
20.
An object seems white as it reflects all light colors
a)
Right
b)
Wrong
21.
The black opaque objects absorb all light colors , and reflect their own color only
a)
Right
b)
Wrong
22.
The green table reflects all light colors
a)
Right
b)
Wrong
23.
If you look at a yellow banana through a green glass sheet, it seems black.
a)
Right
b)
Wrong
24.
The black T-shirt reflects all light colors falls on it.
a)
Right
b)
Wrong
25.
Seeing a red jacket through a glass sheet means the color of sheet is green.
a)
Right
b)
Wrong
26.
There are only one type of coloured lights
a)
Right
b)
Wrong
27.
Mixing blue light with green light gives the white light
a)
Right
b)
Wrong
28.
Blue , geen and red lights are primary coloured lights
a)
Right
b)
Wrong
29.
One of the primary colored lights is produced by mixing red light with blue light
a)
Right
b)
Wrong
30.
Yellow , magenta and cyan are primary colored lights
a)
Right
b)
Wrong
31.
Mixing red light with green light gives yellow light
a)
Right
b)
Wrong
32.

Banana fruit seems yellow in colour, because ………..

a)

a. it reflects all light colours.

b)

b. it absorbs yellow colour and reflects all light colours.

c)

c. it absorbs all light colours and reflects yellow colour only.

d)

d. it absorbs all light colours and allows yellow colour to pass through.

33.

When white light strikes a blue dress , the dress appears ............

a)

yellow

b)

green

c)

blue

d)

orange.

34.

White light is separated into seven spectrum colours by ....

a)

Wood

b)

Glass prism

c)

Air

35.

Is the first colour in spectrum colours

a)

Orange

b)

Red

c)

Yellow

36.

Opaque materials are classified into ....

a)

A_black

b)

B_white

c)

C_Coloured

d)

A , b ,and c

37.

It seems yellow because it ....

a)

absorb all light and allow yellow colour only

b)

Reflect all light colours

c)

absorb all light colours and reflect yellow colour only

38.

It seems green because it ....

a)

absorb all light colours

b)

absorb all colours and reflect green only

c)

absorb all light colours and allow green colour only

39.

We wear a white objects because it ..

a)

Reflect all light colours

b)

absorb all light colours

c)

Transmitt all light

40.

1. The following coloured lights are primary light , except ..........................

a)

red

b)

green

c)

blue

d)

cyan

41.

Mixing red and blue lights gives the cyan light .

a)

True

b)

False

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