Which of the following are not correct? 1. The basic unit of time… - Vidyadip

Question

Which of the following are not correct?

The basic unit of time is second.
Every object moves with a constant speed.
Distances between two cities are measured in kilometres.
The time period of a given pendulum is constant.
The speed of a train is expressed in m/h.

✓

Answer

Correct.
Not correct.
Correct.
Not correct.
Not correct.

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