Question
Download Solution PDFএকটি বস্তুকে 12 সেমি দূরত্বে 18 সেমি ফোকাস দৈর্ঘ্যের একটি অবতল দর্পণের সামনে রাখা হয়। দর্পণ দ্বারা উৎপাদিত বিবর্ধন হল ________
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFসঠিক উত্তর হল বিকল্প 2)+3
প্রদত্ত:
সূত্র :
দর্পণ সূত্র:
বিবর্ধন:
গণনা:
অতএব, আমাদের আছে
সুতরাং, দর্পন দ্বারা উত্পাদিত বিবর্ধন হল +3
Last updated on Jul 18, 2025
-> A total of 1,08,22,423 applications have been received for the RRB Group D Exam 2025.
-> The RRB Group D Exam Date will be announced on the official website. It is expected that the Group D Exam will be conducted in August-September 2025.
-> The RRB Group D Admit Card 2025 will be released 4 days before the exam date.
-> The RRB Group D Recruitment 2025 Notification was released for 32438 vacancies of various level 1 posts like Assistant Pointsman, Track Maintainer (Grade-IV), Assistant, S&T, etc.
-> The minimum educational qualification for RRB Group D Recruitment (Level-1 posts) has been updated to have at least a 10th pass, ITI, or an equivalent qualification, or a NAC granted by the NCVT.
-> Check the latest RRB Group D Syllabus 2025, along with Exam Pattern.
-> The selection of the candidates is based on the CBT, Physical Test, and Document Verification.
-> Prepare for the exam with RRB Group D Previous Year Papers.