If a spring has time period T , and is cut into equal parts, then the time period of each part will be
For a spring,
For each piece, spring constant =
Correct option is 2.
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
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