The multiple-choice format of TS 6th Class Science Bits with Answers 15th Lesson Light, Shadows and Images allows students to practice decision-making and selecting the most appropriate answer.
TS 6th Class Science Bits 15th Lesson Light, Shadows and Images
Question 1.
Source of light
A) Moon
B) Wood
C) Stone
D) Pen
Answer:
A) Moon
Question 2.
One of the following is not a source of light
A) Moon
B) Sun
C) Wood
D) Bulb
Answer:
C) Wood
Question 3.
Any object that burns or glows acts as a
A) Source of burner
B) Source of light
C) Source of mine
D) Source of food
Answer:
B) Source of light
Question 4.
To get shadow we need
A) food
B) strength
C) air
D) light
Answer:
D) light
Question 5.
objects can only form shadows.
A) Transparent
B) Translucent
C) Opaque
D) None
Answer:
C) Opaque
Question 6.
Example of opaque substance.
A) wall
B) air
C) water
D) glass
Answer:
A) wall
Question 7.
Example of transparent substance
A) wall
B) rubber
C) wood
D) glass
Answer:
D) glass
Question 8.
Shadows are formed due to
A) reflection
B) refraction
C) light travels in straight line
D) none
Answer:
A) reflection
Question 9.
Luminous body
A) image
B) sun
C) earth
D) air
Answer:
C) earth
Question 10.
There are some objects through which we can see, but not clearly. Such objects are known as
A) opaque
B) transparent
C) translucent
D) luminous
Answer:
C) translucent
Question 11.
To catch as had ow we need
A) a source of light
B) an opaque object
C) a screen
D) all the above
Answer:
D) all the above
Question 12.
The statement, “Shadows give information about shapes of objects” is ……..
A) true
B) partially true
C) false
D) none of them
Answer:
A) true
Question 13.
The colour of shadow of an yellow rose is
A) yellow
B) white
C) blue
D) dark
Answer:
D) dark
Question 14.
One of the following is not a transparent substance
A) air
B) glass
C) oil paper
D) wood
Answer:
C) oil paper
Question 15.
In a pinhole camera, we can get an object’s
A) shadow
B) image
C) shadow and image
D) none
Answer:
B) image
Question 16.
Reflection of light by a highly polished surface
A) shadow
B) high shadow
C) image
D) dark place
Answer:
C) image
Question 17.
An image and shadow are
A) same
B) different
C) A or B
D) sometimes same
Answer:
B) different
Question 18.
Light gets when it falls on any object
A) travelled
B) bends
C) curved
D) reflected
Answer:
D) reflected
Question 19.
Match the following.
1) Opaque substances ( ) a. Window glass
2) Transparent substances ( ) b. Plank
3) Translucent substances ( ) c. Air
A) 1-a, 2-c, 3-b
B) 1 -c, 2-a, 3-b
C) 1-b ,2-c, 3-a
D) 1-b, 2-a, 3-c
Answer:
C) 1-b ,2-c, 3-a
Question 20.
Paper, plank, glass, wood, polythene cover, iron, stone, window glass.
Find the opaque substances from above
A) Paper, plank, wood, iron, stone.
B) Glass, wood, polythene cover, iron, window glass.
C) Plank, glass, stone, window glass, iron.
D) Wood, polythene cover, iron, stone.
Answer:
A) Paper, plank, wood, iron, stone.
Question 21.
Read the following sentences and identify the correct sentences.
1. Only light and opaque objects are enough to form the shadow.
2. We cannot see a shadow in open air when the torch is under the book.
3. A dark shape produced by an object on the effect of light rays.
4. We can guess the shape of the shadow formed by the object.
Correct sentences are
A) 2&3
B) 1,2&4
C) 1,3&4
D) 2,3&4
Answer:
A) 2&3
Question 22.
Find the mis – matched pair.
A) Opaque substance – window glass.
B) Translucent substance – polythene cover.
C) Transparent substance – car front glass.
D) Shadows – Light absent area.
Answer:
A) Opaque substance – window glass.
Question 23.
One of the traditional recreational activities that explains about shadows?
A) Images of cinema
B) Light reflection laser show
C) Puppet show
D) Mirror images
Answer:
C) Puppet show
Question 24.
Which objects do not form shadows?
A) Objects which cannot pass through light.
B) Objects which can pass through light.
C) Objects which can sometimes pass through light.
D) B and C options.
Answer:
B) Objects which can pass through light.
Question 25.
Statement – I : Objects which form shadows are opaque substances.
Statement – Il: Air and glass are opaque substances.
A) Both the statements are true.
B) Both the statements are false.
C) Statement – I is true, statement – II is false.
D) Statement – I is false, statement – Il is true.
Answer:
C) Statement – I is true, statement – II is false.
Question 26.
Why some objects form shadows ? And others do not?
A) Some objects cannot pass light through them.
B) All the objects cannot pass light through them.
C) All the objects can pass the light.
D) Some objects are dim and dark.
Answer:
A) Some objects cannot pass light through them.
Question 27.
Shadow: Light absent: Image?
A) Glass
B) Mirror
C) Stone
D) Plank
Answer:
B) Mirror
Question 28.
Find the odd one out regarding the substances based on the passing the light through them.
A) Air
B) Car front glass
C) Lantern chimmy
D) Oily paper
Reason : Oily paper is a translucent substance where as remaining are transparent.
Answer:
D) Oily paper
Question 29.
Find the wrong sentences.
A) Shadows are not coloured
B) Images are coloured
C) Shadow shows complete object
D) Image shows complete object
Answer:
C) Shadow shows complete object
Question 31.
What are the opaque substances in your class as per your observations?
A) chalk piece
B) book, wall
C) window door
D) all the above
Answer:
B) book, wall
Question 32.
Why are we getting different shapes of shadows when the object is same?
A) Curved line path followed by light rays.
B) Straight line path followed by light rays.
C) Short line path contracted.
D) Long Line light rays reflected.
Answer:
B) Straight line path followed by light rays.
Question 33.
When you observe an object through the pinhole camera the image of the object is seen in
A) inverted position
B) lateral position
C) vertical position
D) straight position
Answer:
A) inverted position
Question 34.
What are required to observe shadows?
A) Book, stone, wall
B) Light. transparent glass, wall
C) Torch light, book, wall
D) Oil paper, torch
Answer:
C) Torch light, book, wall
Question 35.
The precaution to be taken while playing with mirror.
A) Reflected light should not enter eves.
B) Reflected light rays are allowed into eyes.
C) Eyes are focussed on light.
D) All the rays are reflected into eyes.
Answer:
A) Reflected light should not enter eves.
Question 36.
Read the table and answer the question.
Translucent susbstances | oil paper, ventilator glass |
Transparent susbstances | glass, colourless polythene cover |
Q. Oil paper comes under what type of substance as per the table
A) transparent
B) translucent
C) opaque
D) both A and B
Answer:
B) translucent
Question 37.
Read the given lines and answer the question.
Shadow is an area where light is absent. Hence snadow Is colourless irrespective of colour of the object.
Q. If you want to see a shadow of an object is needed.
À) air
B) soil
C) light
D) heat
Answer:
C) light
Read the following lines. Answer the questions.
We understand that only light and opaque object are not enough to form the shadow of an object. In addition to these, we need a screen.
Question 38.
What is needed along with light and opaque object to form shadow?
A) Glass
B) Stone
C) Oily paper
D) Screen
Answer:
D) Screen
Question 39.
Read the table and answer the question.
Objects which form shadows | Stone,wall,book |
Objects which form unclear shadows | Window glass, oil paper |
Objects which don’t form shadows | Car glass, air |
Car glass, air are the examples of …………..
A) Opaque material
B) Translucent material
C) Transpartnt material
D) B and C
Answer:
C) Transpartnt material
Question 40.
The given picture of ball is exposed by light. What is the colour of the shadow?
A) as it is
B) white
C) colourtul
D) dark
Answer:
B) white
Question 41.
The above given picture is ……………
A) Digital camera
B) Pinhole camera
C) Torch camera
D) Polaroid camera
Answer:
B) Pinhole camera
Question 42.
Which picture given above represents opaque object.
A) Picture A
B) Picture B
C) Picture A & B
D) Picture C
Answer:
A) Picture A
Question 43.
The girl is making shadow in
A) dark room
B) dim light room
C) bright light room
D) blinking light room
Answer:
A) dark room
Question 44.
Conducting puppetry shows by cultural organisations mainly based on
A) image display
B) shadows formation
C) live show of images
D) none of them
Answer:
B) shadows formation
Question 45.
We see day and nights on the earth, because of
A) light
B) soil
C) shadows and light
D) water movement
Answer:
C) shadows and light
Question 46.
The amazing fact behind forming shadows of an object is
A) The shadow may not be as shape as an object.
B) The shadow looks as shape as an object.
C) The light changes the shape of the object.
D) The shadow changes the path of light.
Answer:
A) The shadow may not be as shape as an object.
Question 47.
Pick up the correct statement?
A) Colour of an object can he determined by looking at their shadows.
B) Colour of an object can he traced easily.
C) Colour of an object can not he determined by looking at their shadows.
D) An object always form colour with reflection.
Answer:
C) Colour of an object can not he determined by looking at their shadows.