6th Class Science Light, Shadows and Reflections Question Bank

done Light Shadows and Reflections Total Questions - 40

• question_answer1)
  Which of the following objects does not emit light of its own?
  A)
   The sun                        done clear
  B)
   The star                        done clear
  C)
   The moon         done clear
  D)
        A firefly done clear
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• question_answer2)
  The following are the sources of light.

  (i) A glow worm

  (ii) An electric bulb

  (iii) The stars

  Which of the given sources emit light naturally?
  A)
   Only (i) and (ii) done clear
  B)
   Only (ii) and (iii) done clear
  C)
   Only (i) and (iii) done clear
  D)
   All the three done clear
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• question_answer3)
  Which of the following absorbs light the most?
  A)
   A mirror done clear
  B)
   A piece of white paper done clear
  C)
   A black wallet done clear
  D)
   A green leaf done clear
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• question_answer4)
  Identify translucent objects given in the box.

  (i) Ground glass

  (ii) Ice

  (iii) Wood

  A)
  Only (i) and (ii) done clear
  B)
  Only (ii) and (iii) done clear
  C)
  Only (i) and (iii) done clear
  D)
  All the three done clear
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• question_answer5)
  How does light travel?
  A)
  Rectilinear propagation done clear
  B)
  Random motion done clear
  C)
  Curvilinear motion done clear
  D)
  Circular motion done clear
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• question_answer6)
  Which of the following emits light?
  A)
   A book       done clear
  B)
   A glow worm done clear
  C)
   A bat         done clear
  D)
   A rat   done clear
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• question_answer7)
  Why does an opaque object form a shadow when placed in the path of light?
  A)
   Because light gets reflected done clear
  B)
   Because the opaque object does not allow light to pass through it done clear
  C)
   Because the opaque object acts as a source of light done clear
  D)
   Because light is a form of energy done clear
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• question_answer8)
  Which of the following are non-luminous bodies?

  (i) A planet

  (ii) A star

  (iii) A metal strip

  (iv) A burning candle

  A)
   Only (i) and (ii) done clear
  B)
   Only (ii) and (iii) done clear
  C)
   Only (i) and (iii) done clear
  D)
   Only (ii) and (iv) done clear
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• question_answer9)
  Which of the following allows light to pass through it easily?
  A)
   A metal plate done clear
  B)
   A glass tumbler done clear
  C)
   A book done clear
  D)
   A wooden block done clear
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• question_answer10)
  Which of the following reflects light the most?
  A)
   A mirror      done clear
  B)
   A piece of paper done clear
  C)
   A cloth        done clear
  D)
   A wooden table done clear
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• question_answer11)
  What happens when light falls on a wooden chair?
  A)
   A part of the light reflected from the chair enters our eyes. done clear
  B)
   Light passes through the wooden chair. done clear
  C)
   The chair sends a signal to our eyes that enables us to see it. done clear
  D)
   Electrical energy is given out by the chair.                                   done clear
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• question_answer12)
  Which of the following materials can transmit most of the light?
  A)
   A glass block done clear
  B)
   A piece of blank paper done clear
  C)
   A spot of black ink done clear
  D)
   A placid lake surface done clear
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• question_answer13)
  A torch is shone onto a star-shaped card which forms a shadow on the screen behind the card. What will happen to the shadow if the torch is moved away from the card?
  A)
   It decreases in size. done clear
  B)
   It increases in size. done clear
  C)
   It first becomes smaller and then again becomes larger. done clear
  D)
   It changes its shape. done clear
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• question_answer14)
  We are able to see the objects around us because
  A)
   the objects absorb all the light. done clear
  B)
   the light reflected from the eyes reaches the object. done clear
  C)
   the light reflected from the objects enters our eyes. done clear
  D)
   light can be refracted. done clear
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• question_answer15)
  In the morning, when the sun rises in the east, your shadow will be seen on the
  A)
   east.                             done clear
  B)
   north.   done clear
  C)
   west.                done clear
  D)
        south. done clear
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• question_answer16)
  A light source is incident on an object 'P'. If a dark coloured shadow of the object is cast on the screen, then which of the following could'?' be?
  A)
   An iron ball done clear
  B)
   A piece of glass done clear
  C)
   A wax coated paper done clear
  D)
   A transparent plastic sheet done clear
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• question_answer17)
  Observe the figure given below. Identify X, Y and Z.            
  A)

  X	Y	Z
  Opaque body	Light  source	Shadow

                  done clear
  B)

  X	Y	Z
  Light  source	Opaque body	Light  source

                  done clear
  C)

  X	Y	Z
  Light  source	Opaque body	Shadow

                  done clear
  D)

  X	Y	Z
  Opaque body	Shadow	Light  source

  done clear
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• question_answer18)
  Which of the following statements about shadows is Incorrect!
  A)
   The shadow of an object is formed on the opposite side of the light source. done clear
  B)
   The position of the shadow changes with the position of the light source. done clear
  C)
   The position of the shadow changes with the movement of the object. done clear
  D)
   A transparent body produces a shadow. done clear
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• question_answer19)
  You cannot see the flame of a burning candle by looking through a bent pipe. This is because
  A)
   light gets bent along the pipe. done clear
  B)
   light travels in a straight line. done clear
  C)
   light gets reflected. done clear
  D)
   light gets absorbed. done clear
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• question_answer20)
  Observe the diagram given below. What is proved from the above arrangement?
  A)
   Light can be refracted. done clear
  B)
   Light can be reflected. done clear
  C)
   Light can be blocked. done clear
  D)
   Light travels faster than sound. done clear
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• question_answer21)
  Which of the following statements is NOT true regarding shadows?
  A)
   A shadow gives only the outline of that object. done clear
  B)
   Shadows are formed due to the blocking of light by an opaque object. done clear
  C)
   Images are similar to shadows. done clear
  D)
   A shadow formed is always on the opposite side of the light source. done clear
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• question_answer22)
  The diagram given below shows a shadow formed when light falls on an opaque object. What are the characteristics of the shadow?

  (i) It is black in colour.

  (ii) It has the same shape as the object.

  (iii) It has the same size as the object.

  (iv) It has the same colour as that of the object.

  A)
   Only (i) and (ii) done clear
  B)
   Only (ii) and (iii) done clear
  C)
   Only (i) and (iii) done clear
  D)
   Only (ii), (iii) and (iv) done clear
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• question_answer23)
  At what time will the shadow cast by a pole under the sun be the shortest?
  A)
   8.30a.m.                      done clear
  B)
   10.00a.m.         done clear
  C)
        12 noon                        done clear
  D)
   5.00p.m. done clear
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• question_answer24)
  The moon is a non-luminous object but still it is visible to us. Why?
  A)
   The moonlight travels only in the form of rays. done clear
  B)
   The moon reflects the light falling on it from the sun. done clear
  C)
   The moonlight emits visible light. done clear
  D)
   The moonlight travels in curved paths. done clear
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• question_answer25)
  The diagram given below shows the positions of four students P, Q, R and S observing the flame of a candle through the pipes. Which student can see the candle flame?
  A)
   P                                                         done clear
  B)
   Q                     done clear
  C)
   R                     done clear
  D)
        S done clear
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• question_answer26)
  We cannot see an object when

  (i) it reflects light

  (ii) it casts a shadow

  (iii) there is no light.

  A)
   Only (i)                         done clear
  B)
   Only (ii)            done clear
  C)
        Only (iii)           done clear
  D)
        All the three done clear
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• question_answer27)
  Which of the following is grouped incorrectly?                
  A)

  Luminous bodies	Non-luminous bodies
  Firefly	Housefly

        done clear
  B)

  Luminous bodies	Non-luminous bodies
  Glow-worm	Earthworm

        done clear
  C)

  Luminous bodies	Non-luminous bodies
  Metal spoon	Torchlight

                  done clear
  D)

  Luminous bodies	Non-luminous bodies
  Star	Moon

  done clear
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• question_answer28)
  Which of the given statements are correct?

  (i) The moon is a luminous body.

  (ii) The moon is a non-luminous body.

  (iii) Translucent bodies do not cast shadow

  (iv) A ray of light is the path along which it travels.

  A)
   Only (i) and (ii) done clear
  B)
   Only (ii) and (iii) done clear
  C)
   Only (i) and (iv) done clear
  D)
   Only (ii) and (iv) done clear
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• question_answer29)
  Identify the incorrect statement from the following.
  A)
   Shadows always give us the information about the shape of the object. done clear
  B)
   Images are different from shadows. done clear
  C)
   A plane mirror changes the direction of light that falls on it. done clear
  D)
   The moon is a non-luminous source of light. done clear
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• question_answer30)
  Rahul places a candle in front of three cardboards each with a hole on them and observes on the other side. What inference does he make from the given experiment?
  A)
   Light rays are very thin. done clear
  B)
   Light rays travel in straight lines. done clear
  C)
   The eye can only see a luminous body. done clear
  D)
  A beam of light is made up of a lot of light rays. done clear
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• question_answer31)
  Which of these materials can cast a shadow?
  A)
   A clear glass done clear
  B)
   A clean cellophane paper done clear
  C)
   Clear water done clear
  D)
   A piece of wood done clear
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• question_answer32)
  An artificial source of light is
  A)
   the sun.       done clear
  B)
   a firefly. done clear
  C)
   the star.        done clear
  D)
   an electric bulb. done clear
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• question_answer33)
  The shape of a shadow depends on

  (i) The shape of the object

  (ii) The position of the source.

  (iii) The size of the source of light.

  A)
   Only (i) and (ii) done clear
  B)
   Only (ii) and (iii) done clear
  C)
   Only (i) and (iii) done clear
  D)
   All the three done clear
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• question_answer34)
  Which of the following objects does NOT allow light to pass through it?
  A)
   A mirror done clear
  B)
   A glass bottle done clear
  C)
   A piece of tracing paper done clear
  D)
   A piece of clear plastic paper done clear
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• question_answer35)
  The length of the shadow of a tree will keep changing with respect to
  A)
   the sun.       done clear
  B)
   a lamp. done clear
  C)
   a distant star. done clear
  D)
   a torch. done clear
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• question_answer36)
  Observe the figure of an animal with its shadow. Which of the following is the position of the sun with respect to the given shadow?
  A)
   P                                 done clear
  B)
   S                     done clear
  C)
   R                     done clear
  D)
        Q done clear
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• question_answer37)
  Which of the following emits light?
  A)
   The earth done clear
  B)
   A television screen done clear
  C)
   A shadow done clear
  D)
   A table done clear
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• question_answer38)
  Which of the following factors affect the image produced by a pinhole camera?

  (i) Enlarging the size of the pinhole

  (ii) Increasing the distance between the screen and the pinhole camera.

  (iii) Increasing the distances between the object and the pinhole

  A)
   Only (i) and (ii) done clear
  B)
   Only (ii) and (iii) done clear
  C)
   Only (i) and (iii) done clear
  D)
   (i), (ii) and (iii) done clear
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• question_answer39)
  Which of the following statements about light is correct?
  A)
   A pinhole camera can take pictures of moving objects. done clear
  B)
                                      The image formed on the screen of a pin hole camera is erect. done clear
  C)
   Light rays incident on a mirror can be reflected. done clear
  D)
   Opaque objects emit light of their own. done clear
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• question_answer40)
  A girl given in the figure is able to see the dog. Which one of the following is the reason?
  A)
   Light falls on the dog. done clear
  B)
   Light gets reflected from the dog into the girl's eyes. done clear
  C)
   It is dark. done clear
  D)
   Light from the bulb reaches the girl's eyes. done clear
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