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light, shadow and reflection for class 6

Total questions: 96

Worksheet time: 36mins

Name
Class
Date
1.

Pinhole camera is based on the ___________

a)

Rectilinear propagation of light

b)

Rectangular propagation of light

c)

Circular propagation of light

d)

None of these

2.

Shadow of an object is always

a)

Colourful

b)

White

c)

Black

d)

Transparent

3.

When we move an object away from the source of light, the shadow of the object _____________

a)

Become bigger

b)

Becomes smaller

c)

Remains the same

d)

None of these

4.

When green light falls on a blue object, the colour of the shadow is _______

a)

Green

b)

Blue

c)

White

d)

black

5.

WHERE WOULD BE A SHADY PLACE TO STAND ON A SUNNY DAY ?

a)

IN THE MIDDLE OF A FOOTBALL GROUND

b)

IN THE SEA

c)

UNDER A TREE

d)

NONE OF THE ABOVE

6.

which of the characteristics is not exhibited by the shadow of an object?

a)

erect

b)

same colour as the object

c)

can be formed on screen

d)

can be bigger than the object

7.

A plane mirror form an image of an object because it ........ light from the object

a)

Absorbs

b)

Emits

c)

Passes

d)

Reflects

8.

This is not a beam of light

a)

The headlight of a car

b)

A torch shines

c)

Light from firefly

d)

Projector onto a screen

9.

When the left side of an object appears as the right side of the image and vice versa, this phenomenon is called

a)

Literally inversion

b)

Lateral Invasion

c)

Lateral Inversion

d)

Literally Invasion

10.

which of these are required to form the shadow of a ball

a)

Torch

b)

Ball

c)

Screen

d)

All of these

11.

Image formed in a pinhole camera is always

a)

Erect

b)

Inverted

c)

Parallel

d)

None of these

12.

Where will the tree's shadow be?

a)

A

b)

B

c)

C

13.

Which will make the darkest shadow? Light shining on a...

a)

sheet of thin tissue paper

b)

glass window

c)

wooden chopping board

d)

none of the above

14.

What does reflection mean?

a)

Light bouncing off an object.

b)

Light is bending around an object.

c)

Light is moving through and object.

d)

This is no light.

15.

What is the best explanation for Mickey seeing himself in the mirror?

a)

Refraction

b)

Absorption

c)

Reflection

d)

Flipped

16.

There is light on the Earth even on a dark, cloudy day. This is because clouds are:

a)

Opaque

b)

Translucent

c)

Transparent

d)

Luminous

17.

Where are periscopes used ?

a)

Fire departments

b)

Submarines

c)

Military

d)

Hospitals

18.

Which of the following properties are used while using the periscope ?

a)

gravitational force

b)

reflection of light

c)

property of lights and beams

d)

None of these

19.

We are able to most of the things around us because of

a)

Regular Reflection

b)

Irregular Reflection

20.

How many regions does an eclipse shadow have?

a)

1

b)

2

c)

3

d)

4

21.

Thin straight lines are called_______________

a)

beams

b)

rays

c)

light

d)

shadow

22.

Light travels ---------- than sound ?

a)

Slower

b)

Medium

c)

Faster

23.

Light travels at the constant speed of ----------- in a vacuum ?

a)

299792.458 km/h

b)

289792.458 km/sec

c)

299792.458 km/sec

24.

The property of light is called as ------------ of light.

a)

Rectilinear propagation

b)

parallel propagation

c)

natural propagation

25.

------------ objects create shadows.

a)

Opaque

b)

Translucent

c)

Transparent

d)

None of these

26.

Image formed by a pinhole camera is ………………..

a)

down

b)

straight

c)

laterally inverted

d)

virtual image

27.

When screen is far away from the objects, the shadow will have no penumbra.

a)

True

b)

False

28.

A_______ is formed when light is reflected from an object

a)

Shadow

b)

image

c)

reflection

29.

Region of absence of light

a)

Light

b)

Shadow

c)

Reflection

30.

Firefly is a living ----------- body.

a)

water body

b)

Non - Luminous

c)

Luminous

31.

The point where the incident ray falls is known as ?

a)

point of reflection

b)

Incident point

c)

point of incidence

32.

Who found the first pin hole camera ?

a)

David Brewster

b)

Joseph Nicephore Niepce

c)

Thomas Edison

d)

Giambattista Della Porta

33.

An eclipse occurs when the ------------------ are in a straight line.

a)

Earth and Sun

b)

Sun and moon

c)

Sun , moon and Earth

34.

At noon the shadow of the building will be_________

a)

long

b)

short

c)

wide

d)

none of these

35.

We Can See Objects In A Bright Room Because:

a)

The objects give of light to the air

b)

The objects reflect the light falling on them

c)

The objects send light away from our eyes

d)

Our eyes give of light to the objects

36.

When light hits an area and bounces back it is called:

a)

echo

b)

refraction

c)

reflection

d)

absorbing

37.

Light travels through air, water, glass and many other materials. What path does it travel to get from one place to another?

a)

sideways

b)

back and forth

c)

straight

d)

up and down

38.

When light hits a barrier that is solid/opaque what is usually created?

a)

a hot object

b)

a shadow

c)

nothing

39.

Which color shirt would you rather wear outside on a sunny 90 degree day?

a)

black

b)

white

c)

gray

d)

navy blue

40.

What is the best explanation for Mickey seeing himself in the mirror?

a)

refraction

b)

absorbed

c)

reflection

d)

flipped

41.
What does the moon do?
a)
produces light
b)
reflects the suns light
c)
produces heat
42.
Which will make the darkest shadow? Light shining on a...
a)
sheet of thin tissue paper
b)
glass window  
c)
wooden chopping board  
d)
none of the above
43.

If you can see light through an object it is called...

a)

opaque

b)

plastic

c)

transparent

44.

which of the characteristics is not exhibited by the shadow of an object?

a)

erect

b)

can be formed on screen

c)

same colour as the object

d)

can be bigger than the object

45.

A plane mirror form an image of an object because it ........ light from the object

a)

absorbs

b)

reflects

c)

passes

d)

emits

46.

The light have a combination of

a)

12 Colours

b)

6 Colours

c)

7 Colours

d)

6 Colours

47.

The speed of light is

a)

2x10 the power of 8 m/s in air

b)

3x10 the power of 8 m/s in air

c)

9x10 the power of 8 m/s in air

d)

1x10 the power of 8 m/s in air

48.

Light travels in Line

a)

Straight

b)

Slightly curved way

49.

Galileo was a great Scientist

a)

Indian

b)

Italian

c)

African

d)

American

50.

A pin hole camera is a

a)

Simplest

b)

Simple

c)

Complex

d)

Complicated

51.

animals that produce there own light from the following are or is

a)

Earthworms

b)

Firefly

c)

Lion

d)

star fish

52.

Which inverse is shown in the picture

a)

Lataar

b)

Cord

c)

Lateral

53.

A pin hole camera inverts the picture

a)

Side to side

b)

Upside down

c)

All of above

54.

When the light hits a mirror

a)

It gets some ware else

b)

It never touches it

55.

Why do all emergency vehicles have inverted names

a)

So there would be an accident

b)

So the driver could read and give a way

56.

The light goes in a slightly curved way

a)

True

b)

False

57.

6 different combination of colours makes white light of the sun

a)

True

b)

False

58.

cer substance emits light when rubbed or scratched or crushed are called

a)

Triboluminascent

b)

Triboluminescent

c)

both of above

59.

What is our main source of light?

a)

Sun

b)

Moon

c)

Trees

60.

A source of light made by man

a)

Natural light

b)

Artificial light

c)

Sunglasses

61.

Which one is not a luminous object?

a)

Sun

b)

Stars

c)

Book

62.

Which is a luminous object

a)

Candle

b)

Mirror

c)

Table

63.

Which luminous object is natural

a)

Fireworks

b)

Lightning

c)

Light bulb

64.

What does the moon do

a)

Gives light

b)

Reflects the sun light

c)

Gives heat

65.

Which colour reflects more light

a)

Bright colours

b)

Dark colours

66.

We can see any objects in the dark

True or False

a)

True

b)

False

67.

A light bulb is an example of .....................

a)

Natural luminous object

b)

Real luminous object

c)

Man made luminous object

68.

Things make shadows because they ................ Light

a)

Block

b)

Pass

69.

The moon is ...................

a)

Luminous object

b)

Non luminous object

c)

Reflection of luminous object

70.

What causes shadows

a)

An object blocking the light source

b)

The water cycle

c)

The moon

71.

What time of day are shadows the shortest

a)

Early morning

b)

Late morning

c)

Noon

d)

Sunset

72.

Is light Necessary to see

a)

Yes the light is necessary to see

b)

No the light is not necessary to see

73.

The shadows are longest in the early morning and late afternoon.

a)

True

b)

False

74.

The pictures shows what a student observed when he looked through a hand lens at a penny.

What happens to light passing through a hand lens that makes the image of the penny appear larger? The light is-

a)

Absorbed

b)

Refracted

c)

Reflected

d)

Stopped

75.

A student placed a pencil in a cup of water. The pencil appears broken because light-

a)

always travels in a straight line

b)

bends when it passes through water

c)

makes the water in the glass evaporate

d)

reflects the pencil on the water's surface

76.

RIDDLE ;- I can only live where there is light, but I die if the light shines on me. What am I?

a)

Reflection

b)

Opaque object

c)

Shadow

d)

Luminous object

77.

When light hits an area and bounces back it is called:

a)

echo

b)

refraction

c)

reflection

d)

absorbing

78.
What does the moon do?
a)
produces light
b)
reflects the suns light
c)
produces heat
79.

What is the best explanation for Mickey seeing himself in the mirror?

a)

refraction

b)

absorbed

c)

reflection

d)

flipped

80.

If you can see light through an object it is called...

a)

opaque

b)

plastic

c)

transparent

81.

Pinhole camera is based on the ___________

a)

Rectilinear propagation of light

b)

Rectangular propagation of light

c)

Circular propagation of light

d)

None of these

82.

When we move an object away from the source of light, the shadow of the object _____________

a)

Become bigger

b)

Becomes smaller

c)

Remains the same

d)

None of these

83.

When green light falls on a blue object, the colour of the shadow is _______

a)

Green

b)

Blue

c)

White

d)

black

84.

which of the characteristics is not exhibited by the shadow of an object?

a)

erect

b)

same colour as the object

c)

can be formed on screen

d)

can be bigger than the object

85.

This is not a beam of light

a)

The headlight of a car

b)

A torch shines

c)

Light from firefly

d)

Projector onto a screen

86.

which of these are required to form the shadow of a ball

a)

Torch

b)

Ball

c)

Screen

d)

All of these

87.

Where will the tree's shadow be?

a)

A

b)

B

c)

C

88.

What does reflection mean?

a)

Light bouncing off an object.

b)

Light is bending around an object.

c)

Light is moving through and object.

d)

This is no light.

89.

There is light on the Earth even on a dark, cloudy day. This is because clouds are:

a)

Opaque

b)

Translucent

c)

Transparent

d)

Luminous

90.

which of the following the non-luminous obejct

a)

sun

b)

moon

c)

stars

d)

firefly

91.

Light is a form of ______ that is essential for the existence of life.

a)

chemical

b)

expression

c)

term

d)

energy

92.

Nothing can travel faster than light in the whole universe

a)

False

b)

True

93.

The object that does not produce it's own light is called

a)

Luminous objects

b)

Dark

c)

Bright

d)

Non Luminous objects

94.

What image is formed in a pinhole camera ?

(a)  

95.

A (a)   is formed when rays of light are blocked by an opaque object .

96.

What is as big as an elephant but weighs nothing ?

(a)  

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