What is meaning of negative vector ?
Magnitude of vector is negative
Negative vector can’t exist
Negative sign only represent direction
Negative sign mean both magnitude as well as direction is negative
50 mL of 0.2 M ammonia solution is treated with 25 mL of 0.2 M HCl. If pKb of ammonia solution is 4.75, the pH of the mixture will be : Option: 1 3.75 Option: 2 4.75
JEE Main 2026 session 1 results, final answer key today; what is NTA score?
JEE Mains 2026 Result LIVE: NTA session 1 results likely tonight for over 13 lakh; cut-offs, college predictor
JEE Mains 2026 LIVE: Session 1 final answer key today at jeemain.nta.nic.in; calculate raw scores
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