Question

5.
A. Tick the correct option.
1. The SI unit for speed of an object is
1 km/hr
0
cm/s
0 /
m/s
2. An instrument that measures time by using the movement of the Sun is
atomic clock
quartz clock
water wheel
3. I millennium is equal to
100 decades
sundial
100 years
1000 years
100 centuries
120 cm/s
4. Kartik runs 240 m in 2 minutes. His speed is
2 m/s
m
120 m/s
2 m/min
5. The most accurate of all time measuring devices is
sundial
quartz clock
pendulum clock
• S.
T
atomic clock​

Answer 1

Answer:

1. 1 km

2. Water whale

3- 1000 year

4- 120 m

5- sundial