Question
Download Solution PDFटंगस्टन का गलनांक ________से ___________ के बीच में होता है।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFअवधारणा:
टंगस्टन:
- धातु टंगस्टन उद्दीप्त बल्बों में तंतुओं के लिए प्रयोग किया जाता है।
- इसका गलनांक उच्च है और गर्म होने पर अपनी प्रबलता बरकरार रखती है।
- प्रकाश बल्बों के तंतु टंगस्टन तत्व से बने होते हैं।
- इसका प्रतीक ‘W’ है क्योंकि इसका वैज्ञानिक नाम 'वुल्फरम' और परमाणु संख्या 74 है।
व्याख्या:
टंगस्टन का गलनांक 3300 और 3500 °C के बीच स्थित है। इसलिए विकल्प 4 सही है।
Last updated on Jul 1, 2025
-> RRB ALP CBT 2 Result 2025 has been released on 1st July at rrb.digialm.com.
-> RRB ALP Exam Date OUT. Railway Recruitment Board has scheduled the RRB ALP Computer-based exam for 15th July 2025. Candidates can check out the Exam schedule PDF in the article.
-> Railway Recruitment Board activated the RRB ALP application form 2025 correction link, candidates can make the correction in the application form till 31st May 2025.
-> The Railway Recruitment Board (RRB) has released the official RRB ALP Notification 2025 to fill 9,970 Assistant Loco Pilot posts.
-> The Railway Recruitment Board (RRB) has released the official RRB ALP Notification 2025 to fill 9,970 Assistant Loco Pilot posts.
-> The official RRB ALP Recruitment 2025 provides an overview of the vacancy, exam date, selection process, eligibility criteria and many more.
->The candidates must have passed 10th with ITI or Diploma to be eligible for this post.
->The RRB Assistant Loco Pilot selection process comprises CBT I, CBT II, Computer Based Aptitude Test (CBAT), Document Verification, and Medical Examination.
-> This year, lakhs of aspiring candidates will take part in the recruitment process for this opportunity in Indian Railways.
-> Serious aspirants should prepare for the exam with RRB ALP Previous Year Papers.
-> Attempt RRB ALP GK & Reasoning Free Mock Tests and RRB ALP Current Affairs Free Mock Tests here