Explore topic-wise MCQs in 6th Class.

This section includes 2267 Mcqs, each offering curated multiple-choice questions to sharpen your 6th Class knowledge and support exam preparation. Choose a topic below to get started.

801.

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)
B.  Only (ii) and (iii)
C.  Only (i) and (iv)
D.  Only (ii) and (iv)
Answer» E.
802.

Which of the following is grouped incorrectly?                

A. Luminous bodies Non-luminous bodies Firefly Housefly      
B. Luminous bodies Non-luminous bodies Glow-worm   Earthworm      
C. Luminous bodies Non-luminous bodies Metal spoon    Torchlight                
D. Luminous bodies Non-luminous bodies Star Moon
Answer» D. Luminous bodies Non-luminous bodies Star Moon
803.

We cannot see an object when (i) it reflects light (ii) it casts a shadow (iii) there is no light.

A.  Only (i)                        
B.  Only (ii)           
C.       Only (iii)          
D.       All the three
Answer» D.       All the three
804.

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                                                        
B.  Q                    
C.  R                    
D.       S
Answer» D.       S
805.

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.
B.  The moon reflects the light falling on it from the sun.
C.  The moonlight emits visible light.
D.  The moonlight travels in curved paths.
Answer» C.  The moonlight emits visible light.
806.

At what time will the shadow cast by a pole under the sun be the shortest?

A.  8.30a.m.                     
B.  10.00a.m.        
C.       12 noon                       
D.  5.00p.m.
Answer» D.  5.00p.m.
807.

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)
B.  Only (ii) and (iii)
C.  Only (i) and (iii)
D.  Only (ii), (iii) and (iv)
Answer» B.  Only (ii) and (iii)
808.

Which of the following statements is NOT true regarding shadows?

A.  A shadow gives only the outline of that object.
B.  Shadows are formed due to the blocking of light by an opaque object.
C.  Images are similar to shadows.
D.  A shadow formed is always on the opposite side of the light source.
Answer» D.  A shadow formed is always on the opposite side of the light source.
809.

Observe the diagram given below. What is proved from the above arrangement?

A.  Light can be refracted.
B.  Light can be reflected.
C.  Light can be blocked.
D.  Light travels faster than sound.
Answer» D.  Light travels faster than sound.
810.

Which of the following explains why air is not visible?                                    

A.  It is nearly a perfect transparent substance.                      
B.  It neither absorbs nor reflects light.
C.  It transmits whole of light.          
D.  All of these.                       
Answer» C.  It transmits whole of light.          
811.

Read the given statements and select the correct option,                         Statement 1: Rahul placed a colored plastic bottle in front of the beam of a torch light. Then he placed a transparent sheet of same size on the other side of bottle. No shadow will form on the screen.                               Statement 2: Translucent objects allow light to pass through them partially.

A.    Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B.  Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C.  Statement 1 is true but statement 2 is false.                         
D.  Statement 1 is false but statement 2 is true.
Answer» E.
812.

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)
B.  Only (ii) and (iii)
C.  Only (i) and (iii)
D.  All the three
Answer» D.  All the three
813.

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.
B.  light travels in a straight line.
C.  light gets reflected.
D.  light gets absorbed.
Answer» C.  light gets reflected.
814.

Riya and Priya were sitting around a round table. They noticed that they could see their own and each other's image onto the table top. Then table top is made of       

A.  Unpolished wood, covered with white cloth                                     
B.  Polished glass of red colour               
C.  Glass covered with cellophane paper        
D.  Smoked glass covered with green colour cloth.                            
Answer» C.  Glass covered with cellophane paper        
815.

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.
B.  The position of the shadow changes with the position of the light source.
C.  The position of the shadow changes with the movement of the object.
D.  A transparent body produces a shadow.
Answer» E.
816.

Geeta placed three objects made of different materials as shown in the figure. She observed a bright spot of light at (II) but (III) would not get any spot.-Then,

A.  (I) and (II) are made of transparent materials and (III) is made of opaque material.
B.  (I) is made of transparent material, (II) is made of translucent material and (III) is made of opaque material.           
C.  (I) is made of transparent material, (II) is made of opaque material and (III) is made of either transparent or opaque or translucent material.           
D.  (I) and (II) are made of opaque material and (III) is made of transparent material.                                 
Answer» D.  (I) and (II) are made of opaque material and (III) is made of transparent material.                                 
817.

Observe the figure given below. Identify X, Y and Z.            

A. X Y Z Opaque body Light  source Shadow                
B. X Y Z Light  source Opaque body Light  source                
C. X Y Z Light  source Opaque body Shadow                
D. X Y Z Opaque body Shadow Light  source
Answer» B. X Y Z Light  source Opaque body Light  source                
818.

A solid transparent sphere has a small opaque dot at its centre. When observed from outside, the apparent position of the dot will be

A.  Closer to the eye than its actual position.
B.  The same as its actual position.
C.  Farther away from the eye than its actual position.
D.  None of these.
Answer» C.  Farther away from the eye than its actual position.
819.

Look at the Venn diagram. Which of the following objects described below are most likely to be I, II and III? Choose the correct option.            

A. I II III  Oiled paper               Air       Cellophane paper                
B. I II III  Glass Frosted glass Wood
C. I II III  Wax paper    Clean water Diamond                
D. I II III   Mirror Diamond Amp
Answer» C. I II III  Wax paper    Clean water Diamond                
820.

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
B.  A piece of glass
C.  A wax coated paper
D.  A transparent plastic sheet
Answer» B.  A piece of glass
821.

In the morning, when the sun rises in the east, your shadow will be seen on the

A.  east.                            
B.  north.  
C.  west.               
D.       south.
Answer» D.       south.
822.

Nisha placed a stick in the playground at 8:15 am in the morning. How will the shadow of the stick at 12:00 noon be in comparison to the one at 8:15 am?

A.  It will be shorter than one at 8:15 am.
B.  It will be same as one at 8:15 am.
C.  It will be greater than one at 8:15 am.
D.  Shadow will not form at 12:00 noon.
Answer» B.  It will be same as one at 8:15 am.
823.

We are able to see the objects around us because

A.  the objects absorb all the light.
B.  the light reflected from the eyes reaches the object.
C.  the light reflected from the objects enters our eyes.
D.  light can be refracted.
Answer» D.  light can be refracted.
824.

Three sticks are placed in an open field as shown in figure. Which of the following sticks will form the shadow of equal length?  

A.  Only sticks (I) and (II)
B.  Only sticks (II) and (III)
C.  Only sticks (I) and (III)
D.  All sticks (I), (II) and (III).
Answer» D.  All sticks (I), (II) and (III).
825.

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.
B.  It increases in size.
C.  It first becomes smaller and then again becomes larger.
D.  It changes its shape.
Answer» B.  It increases in size.
826.

Vijay puts some water into four cups made of steel, porcelain, glass, frosted glass. Which one of these cups will allow him to see the level of the water clearly?

A.  Glass cup               
B.  Steel cup        
C.         Porcelain cup
D.         Frosted glass cup
Answer» B.  Steel cup        
827.

Which of the following materials can transmit most of the light?

A.  A glass block
B.  A piece of blank paper
C.  A spot of black ink
D.  A placid lake surface
Answer» B.  A piece of blank paper
828.

What happens when light falls on a wooden chair?

A.  A part of the light reflected from the chair enters our eyes.
B.  Light passes through the wooden chair.
C.  The chair sends a signal to our eyes that enables us to see it.
D.  Electrical energy is given out by the chair.                                  
Answer» B.  Light passes through the wooden chair.
829.

You are standing upright in a room in front of a vertical mirror. In this mirror, you can see from your position, only the upper two- third part of your body. You wish to see the full image of your body in the mirror. Which combination of the following three courses of action will achieve this? I. Move away from the mirror II. Move towards the mirror III. Use a mirror whose height will allow you to see your full image

A.  I only
B.  II only
C.  III only
D.  Either I or III
Answer» D.  Either I or III
830.

  Which of the items above will allow you to see around a corner from where you are standing?  

A. (i) only          
B. (iii) only         
C. (i) and (ii)       
D. (i) and (iii)
Answer» C. (i) and (ii)       
831.

Fill in the blanks with most appropriate option.Although a number of objects, such as kites, birds, aeroplanes move in space, but their shadow is not seen on the earth. This is due to the reason that the ___(i)___, the region of complete ___(ii)___ is not able to reach the earth. The region of partial ___(iii)___, that is the ___(iv)___ reaching the earth is too large and too faint to be visible to us.   

A. (I)(II)(III)(IV)PenumbraDarknessBrightnessUmbra               
B. (I)(II)(III)(IV)PenumbraBrightnessDarknessUmbra               
C. (I)(II)(III)(IV)UmbraDarknessBrightnessPenumbra               
D. (I)(II)(III)(IV)UmbraBrightnessDarknessPenumbra
Answer» D. (I)(II)(III)(IV)UmbraBrightnessDarknessPenumbra
832.

Which of the following reflects light the most?

A.  A mirror     
B.  A piece of paper
C.  A cloth       
D.  A wooden table
Answer» B.  A piece of paper
833.

When Abhishek looked at a lighted torch through an object he could see a faint glow, but not the torch. The object is         

A.  Transparent     
B.          Opaque           
C.              Translucent      
D.            None of these                  
Answer» D.            None of these                  
834.

The diagram shows an object O viewed using two mirrors. A person looks into the mirrors as shown. At which position is the image of O seen?                        

A.  a                                
B.  b                    
C.         c                    
D.         d          
Answer» E.
835.

Light travels in a:

A. Circular path                 
B. Rectilinear path
C. Rotational path    
D.        Triangular path
E. None of these
Answer» C. Rotational path    
836.

Which of the following is a translucent object?

A. Cardboard                    
B. Tracing paper
C. Clear glass         
D.        Air
E. None of these
Answer» C. Clear glass         
837.

Which of the following characteristics are observed in an image formed by a pinhole camera?

A. Virtual image
B. Real image
C. Erect image
D. Image of different colour
E. None of these
Answer» C. Erect image
838.

Speed of light in vacuum is:

A. \[3\times {{10}^{8}}km/h\]      
B. \[3\times {{10}^{8}}m/s\]
C. \[3\times {{10}^{8}}m/h\]   
D.        \[3\times {{10}^{8}}m/s\]
E. None of these
Answer» C. \[3\times {{10}^{8}}m/h\]   
839.

Look at the following figure and find out the angle of reflection.

A. \[30{}^\circ \]                          
B. \[45{}^\circ \]
C. \[90{}^\circ \]                          
D. \[60{}^\circ \]
E. None of these
Answer» C. \[90{}^\circ \]                          
840.

Name the phenomenon due to which our right ear appears as left ear when we see our face in the mirror.

A. Reflection          
B. Lateral inversion
C. Eclipse              
D. Refraction
E. None of these
Answer» C. Eclipse              
841.

Which of the following characteristics of an image does not belong to convex mirror?

A. Real image 
B. Virtual image
C. Smaller image   
D.        Erect image
E. None of these
Answer» B. Virtual image
842.

Solar eclips can be seen on _____ day.

A. Full moon                                 
B. New moon
C. Crescent moon              
D. Gibbous moon
E. None of these
Answer» C. Crescent moon              
843.

Letter E is placed in front of plane mirror, how would its image look like and also name the phenomenon involved in this.

A. E, Reflection     
B.  , Lateral inversion
C. E, Lateral inversion  
D.  , Refraction
E. None of these
Answer» C. E, Lateral inversion  
844.

Which of the following is a characteristic of the image formed by plane mirror?

A. Erect                         
B. Virtual
C. Same size as object        
D. All the above
E. None of these
Answer» E. None of these
845.

An incident ray falling normally on a plane mirror then angle of incidence is:

A. \[0{}^\circ \]                
B. \[120{}^\circ \]
C. \[90{}^\circ \]                          
D. \[60{}^\circ \]
E. None of these
Answer» B. \[120{}^\circ \]
846.

A transparent object which is mostly used in windows of houses.

A. Polythene                     
B. Wood
C. Glass                            
D. Ground glass.
E. All of these
Answer» C. Glass                            
847.

Which of the following is used as a rear view mirror in vehicles?

A. Concave mirror              
B. Convex mirror
C. Converging mirror
D.      Plane mirror
E. None of these
Answer» C. Converging mirror
848.

Shape of a shadow depends on the:

A. Colour of the opaque object.     
B. Shape of the screen.
C. Shape of an opaque object.       
D. Colour of the screen.
E. None of these
Answer» D. Colour of the screen.
849.

Lunar eclipse occurs on ____ day.

A. Partial moon    
B. Full moon
C. New moon       
D.        Crescent moon
E. None of these
Answer» C. New moon       
850.

Which of the following is a characteristic of virtual image?

A. It can be obtained on a screen.
B. It is always inverted.
C. It is always formed in front of the mirror.
D. It is always erect.
E. None of these
Answer» E. None of these