Which of the following are not correct?
The basic unit of time is second.

Explanation

To determine whether the statement "The basic unit of time is second" is correct or not, we can follow these steps:

### Step 1: Understand the concept of time
Time is a fundamental quantity in physics that helps us measure the duration of events and the intervals between them.

### Step 2: Identify the basic unit of time
In the International System of Units (SI), the basic unit of time is defined as the second (s).

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