PHYSICS By A.SINGH Sir
                                
                            
                            
                    
                                
                                
                                June 21, 2025 at 06:50 AM
                               
                            
                        
                            https://www.instagram.com/reel/DLJ0IWpKmc1/?igsh=eHVyNHd2bXNrYWMz
                        
                    
                    
                    
                    
                    
                                    
                                        
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