InterviewSolution
 Saved Bookmarks
    				| 1. | 
                                    Sit near a desk. Tap the desk once with your hand. Listen carefully. Now put your ear on the desk. Tap on the desk once again with your hand. Listen again. Was there any difference in the sound of the tap? | 
                            
| Answer» Yes, when I put my ear on the desk, the sound was sharper. | |