There are some points in a stationary waves which are
never at rest
always is motion
at rest twice in each cycle
at rest once in each cycle
Antinode are point which are at rest twice in each cycle.
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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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