Question
Download Solution PDFরামুর কাছে 1.33 প্রতিসরাঙ্কযুক্ত জলের একটি টাব, 1.46 প্রতিসরাঙ্কযুক্ত তেলের একটি মগ, 1.5 প্রতিসরাঙ্কযুক্ত গ্লিসারিনের একটি বোতল এবং 1.65 প্রতিসরাঙ্কযুক্ত একটি কাঁচের স্ল্যাব আছে। আলো সবচেয়ে দ্রুত গতিতে ভ্রমণ করবে:
This question was previously asked in
RRB Technician Grade III Official Paper (Held On: 28 Dec, 2024 Shift 1)
Answer (Detailed Solution Below)
Option 1 : জল
Free Tests
View all Free tests >
General Science for All Railway Exams Mock Test
2.2 Lakh Users
20 Questions
20 Marks
15 Mins
Detailed Solution
Download Solution PDF
Latest RRB Technician Updates
Last updated on Jul 16, 2025
-> The Railway RRB Technician Notification 2025 have been released under the CEN Notification - 02/2025.
-> As per the Notice, around 6238 Vacancies is announced for the Technician 2025 Recruitment.
-> A total number of 45449 Applications have been received against CEN 02/2024 Tech Gr.I & Tech Gr. III for the Ranchi Region.
-> The Online Application form for RRB Technician is open from 28th June 2025 to 28th July 2025.
-> The Pay scale for Railway RRB Technician posts ranges from Rs. 19900 - 29200.
-> Prepare for the exam with RRB Technician Previous Year Papers.
-> Candidates can go through RRB Technician Syllabus and practice for RRB Technician Mock Test.
India’s #1 Learning Platform
Start Complete Exam Preparation
Daily Live MasterClasses
Practice Question Bank
Mock Tests & Quizzes
Trusted by 7.3 Crore+ Students