Question

2. Which of the following are not correct?
ed
(i)
The basic unit of time is second.
(ii) Every object moves with a constant speed.
Distances between two cities are measured in kilometres.
(iv) The time period of a given pendulum is constant.
(v) The speed of a train is expressed in m/h.​

Answer 1

Explanation:

(iv) is not correct mark as brainly

Answer 2

Answer:

)

The basic unit of time is second.

true

(ii) Every object moves with a constant speed.

Distances between two cities are measured in kilometres.

yes, but every object don't move with a constant speed so,

not correct

(iv) The time period of a given pendulum is constant.

not correct

(v) The speed of a train is expressed in m/h

Not correct

Explanation:

1 correct

2 not correct

4 not correct

5 not correct

hope it helps