This means something is not legally valid. It has no power or effect in law. People use it for contracts, agreements, or votes that do not count.
The contract is null and must be redone.
Her vote was null due to a mistake.
In math or computers, null means zero or no value. It shows something is empty or nothing is there.
The answer to this question is null.
The variable value is null now.
In programming, null means there is no value or no object. It is a term for empty data or no information in a variable or pointer.
The pointer is set to null to avoid errors.
If the input is null, the program stops.
This means something does not matter or has no effect. It is not important or does not change anything.
His opinion was null to the decision.
The changes made were null and had no effect.
In statistics, null means the idea that something does not change or does not have an effect. It is tested to see if evidence is strong or weak.
We tested the null hypothesis carefully.
The null showed no difference between groups.
In physics, null means the lowest temperature possible. At this point, particles do not move anymore. This is called absolute zero.
Zero Kelvin is called null temperature.
At null, atoms stop all motion.