Two clocks A and B are shown in Figure 13.1. 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) A time interval of 30 seconds can be measured by clock A.(b) A 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.

Two clocks A and B are shown in Figure 13.1. Clock A has an hour and a

1.	Two clocks A and B are shown in Figure 13.1. 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) A time interval of 30 seconds can be measured by clock A.(b) A 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.
Answer» (c) Time interval of 5 minutes can be measured by both A and B.