Question

(A) fill in the blanks:

1. The_________ indicated the distance travelled by a vehicle in kilometre.
2. ________are used in ancient time for measuring time.
3. ________ is defined as the distance travelled by it per unit time.

(B) Answer in one word:


1. An instrument used to measure time___________.
2. The period space or gap between the two event_________.
3. The distance travelled by a moving body per unit time_________.

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Answer 1

Answer:

odometer

scale

speed

clock

no

speed

Answer 2

Answer:

A1 odometer

A2 sundials

A3 linear speed

B1 clock

B2 interval

B3 velocity