
How many seconds are there in an hour?
Answer
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Hint: Here, first we have to write the definitions of hour, minute and second. Next, we have to mention the relationship between, hour, minute and second. They are:
1 hour = 60 seconds
1 minute = 60 seconds
Now, with the help of this we can find the number of seconds in an hour.
Complete step by step answer:
Here, we have to find the number of seconds in one hour.
We know that the clock which has 3 hands on its face shows the time in hours, minutes and seconds. The hour hand shows the hours, the minute hand shows the minutes and the second hand shows the seconds.
There are 12 divisions marked on a clock. The big divisions have five small divisions each. The small division stands for one minute. For a total of 12 divisions there will be 60 divisions. Hence we can say that there are 60 minutes in an hour. Hence we can write:
1 hour = 60 minutes.
1 minute = hour
Similarly, each minute has 60 subdivisions, hence we can say that there are 60 seconds in a minute. Therefore, we can write:
1 minute = 60 seconds
1 second = minute
So, we can say that after 60 seconds has passed there has been 1 minute.
Then, for 2 minutes we have:
2 minutes = seconds.
Similarly we can say that:
60 minutes = seconds
Now, we can express hours in seconds. For 1 hour we have 60 minutes and for 1 minute we have 60 seconds, and for 60 minutes we have 3600 seconds. So, we can write:
1hour = 60 minutes = 3600 seconds.
Hence, we can say that there are 3600 seconds in an hour.
Note: Here, you should know that there are 60 minutes in an hour and 60 seconds in a minute. If you know these basic conversions then all other conversions are easy. The standard unit of time is second.
1 hour = 60 seconds
1 minute = 60 seconds
Now, with the help of this we can find the number of seconds in an hour.
Complete step by step answer:
Here, we have to find the number of seconds in one hour.
We know that the clock which has 3 hands on its face shows the time in hours, minutes and seconds. The hour hand shows the hours, the minute hand shows the minutes and the second hand shows the seconds.
There are 12 divisions marked on a clock. The big divisions have five small divisions each. The small division stands for one minute. For a total of 12 divisions there will be 60 divisions. Hence we can say that there are 60 minutes in an hour. Hence we can write:
1 hour = 60 minutes.
1 minute =
Similarly, each minute has 60 subdivisions, hence we can say that there are 60 seconds in a minute. Therefore, we can write:
1 minute = 60 seconds
1 second =
So, we can say that after 60 seconds has passed there has been 1 minute.
Then, for 2 minutes we have:
2 minutes =
Similarly we can say that:
60 minutes =
Now, we can express hours in seconds. For 1 hour we have 60 minutes and for 1 minute we have 60 seconds, and for 60 minutes we have 3600 seconds. So, we can write:
1hour = 60 minutes = 3600 seconds.
Hence, we can say that there are 3600 seconds in an hour.
Note: Here, you should know that there are 60 minutes in an hour and 60 seconds in a minute. If you know these basic conversions then all other conversions are easy. The standard unit of time is second.
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