The earliest clocks made by Egyptians in year 800 BC for measuring time was :
Question 2
Two clocks A and B are shown in the Figure. Clock A has an hour and a minute hand, whereas clock B has an hour hand, minute hand as well as a second hand. Which of the following statement is correct for these clocks?
(a) Time interval of 30 seconds can be measured by clock A
(b) Time interval of 30 seconds cannot be measured by clock B
(c) Time interval of 5 minutes can be measured by both A and B
(d) Time interval of 4 minutes 10 seconds can be measured by clock A