7th Class
Science
Time and Motion
Question Bank
Motion and Time
question_answer
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage-2 The smallest time interval that can be measured with commonly available clocks and watches is one second. However now special clocks are available that can measure time intervals smaller than a second. Some of these can measure time intervals as small as one millionth or even one billionth of a second. Which of the following will be needed to measure the time period of a pendulum?