Question

CONCI
metres per
seconds
EXERCISES
Choose the most appropriate answer.
1. Which of these is not a standard unit?
2. second
b. metre
c. hand span
d. gram
2. Which of the following instruments measures time most accurately?
a. sundial
b. quartz watch
cpendulum clock
d. watch with balance wheel
3. Which of these is closest to uniform motion?
2. car travelling on a busy straight road b. car travelling on a busy curved road
c car travelling on a straight empty road d. car travelling on a curved empty to
4. Which of these can only measure time interval and not the time of day?
a. sand dock b. sundial
c. pendulum clock d. quartz cloc
5. Which of these is true?
dirtance = need x time​

Answer 1

1. Hand span
2. Quartz watch
3. Car travelling on a straight empty road
4. Sand dock