Question

How many seconds are there in a half day?

(a) 86,400 seconds

(b) 43,200 seconds

(c) 172,800 seconds

(d) 3660 seconds

The question was asked in an online quiz.

I want to ask this question from Uncertainty in Measurement in section Chemistry Basic Concepts of Chemistry – Class 11

Answer 1

Right option is (b) 43,200 seconds

Best explanation: Half day means 12 hours. One hour means 60 seconds. And each minute is of 60 seconds. In the above question, we need the total number of seconds so 12 x 60 x 60 seconds = 43,200 seconds.