The means of communication is called a Call Center. It uses a computer-based system to handle customer inquiries, complaints, and support services efficiently.
Features include:
1. Automated Response: Calls are directed to the appropriate department using automated menus.
2. Customer Interaction: Customer queries are addressed by trained representatives.
3. Data Handling: Call centers maintain customer records and provide personalized service.
Example: A telecom company uses a call center to address issues like bill payments or technical support.
| Case No. | Lens | Focal Length | Object Distance |
|---|---|---|---|
| 1 | \(A\) | 50 cm | 25 cm |
| 2 | B | 20 cm | 60 cm |
| 3 | C | 15 cm | 30 cm |