Question

1.which of these is not a unit of time
a.hour
b. minute
c. second
d. metre/second
2.which of the following is not a unit of speed
a. km/h
b. cm/s
c. m/s
d. h/km
3.the time period of a pendulum depends upon
a.the mass of the bob
b.the material of the bob
c.the length of the pendulum
d.the size of the bob
4.the most accurate clock is
a.a digital clock
b.an atomic clock
c.an alarm clock
d.a wall clock
5.which of the following is periodic
a.wilting if leaves
b.ripening of fruits
c.swinging of a pendulum
d.writing on a paper ​

Answer 1

Answer:

1- metre

2- cm/s

3- mass of the Bob

4- wall clock

5- ripening of fruit