Question

2. A vector quantity has
(a) magnitude only
(b) direction only
(c) both magnitude and direction
(d) none of these
3. Sand is used as a measuring device in
(a) sand clock (b) sun clock
(c) water clock (d) wall clock
4. 72 km/h is equal to
(a) 10 m/s
(b) 20 m/s
(c) 30 m/s
(d) 40
5. Which of the following is not used as a device to measure time in ancient times?
(a) Sun clock (b) Sand clock
(c) Water clock
(d) Digital clock​

Answer 1

Answer:

2)both magnitude and direction

3)sand clock

4) 30m/s

5)digital clock

Answer 2

Answer:

1.ans is d

2.ans is a

3.ans is b

4.ans is c