31. When a ray of light enters a water filled glass tank from a glass face making a non zero angle to the normal, the emergent ray from the opposite face will follow a path which is

1. 1. Same

   
   
   

   2. Deflected to the right

   
   
   

   3. Deflected to the left

   
   
   

   4. Parallel but not same

   
   
   

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   N/A

   Correct Option: D

   N/A

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32. A boy stands straight in front of a mirror at distance of 30 cm from it. He sees his erect image whose height is 1/5 of his real height. The mirror he is using is

1. 1. Plane

   
   
   

   2. Convex

   
   
   

   3. Concave

   
   
   

   4. None of these

   
   
   

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   N/A

   Correct Option: B

   N/A

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33. The transverse nature of light is shown by

1. 1. Interference of light

   
   
   

   2. Refraction of light

   
   
   

   3. Polarization of light

   
   
   

   4. Dispersion of light

   
   
   

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   N/A

   Correct Option: C

   N/A

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34. Two plane mirrors are inclined at an angle of 60° to each other. If an object is placed between them, the number of images produced will be

1. 1. 0

   
   
   

   2. 5

   
   
   

   3. 4

   
   
   

   4. 10

   
   
   

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   N/A

   Correct Option: B

   N/A

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35. When a ray of light is refracted by a prism such that the angle of deviation is minimum then

1. 1. The angle of emergence is equal to the angle of incidence

   
   
   

   2. The angle of emergence is greater than the angle of incidence

   
   
   

   3. The angle of emergence is smaller than the angle of incidence

   
   
   

   4. The sum of the angle of incidence and the angle of emergence is equal to 90°

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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