Question

1- Which of these is not a unit of time
(a) hour
(b) minutes
(c)second
(d) Meter/second
2- Which of these 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 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 automatic clock
(c) an alarm clock
(d) a wall clock

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Answer 1

Answer:

sec is the unit of time and km/hr is the unit of speed