I AM ANCHAN KHANNA.,MSC.,MPHIL., WORKING AS A LECTURER, ONLINE TUTOR AND FREEELANCER IN THE FIELD OF PHYSICS AND ELECTRONICS. I AM IN THE FIELD OF TEACHING PAST 15 YEARS. I WILL BE ABLE TO SOLVE THE NUMERICAL PROBLEMS FOR YOU. PRACTISE FIVE YEARS QUESTION PAPERS BEFORE TAKING UP THE EXAM THEN, YOU ARE SURE TO PASS. I WILL BE ABLE TO ASSIST YOU IN YOUR EXAMS.