Question

2. The basic unit of speed is
(a) km/h
(b) m/s
(c) m/min
(d) km/min
3. When a particle covers equal distances in equal intervals of time along straightline path
in a particular direction, it is said to be
(a) moving with uniform speed
(b) moving with uniform velocity
(c) moving with uniform acceleration (d) at rest
4. The device which is used for measuring time intervals in sports activities is called
(a) wrist watch
(b) stop watch
(c) stop clock
U (d) quartz watch
Teacher's Signature
Science - Part 7 - 26​

Answer 1

(2) b. m/s

(3) b. moving with uniform velocity

(4) d. Quartz watch

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Answer 2

Answer:

2. (b) The basic unit of sped is m/s

3. (a) Moving with a uniform speed

4. (b) Stop watch

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