Question
Question 52:
Which of the following could not be a unit of speed?
(a) km/h
(b) s/m
(c) m/s
(d) mm s−1
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Text solutionVerified
Answer:
(b) Speed is the distance travelled by a moving body per unit time.
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Practice more questions from Physics (Lakhmir Singh)
Q1
Question 51:
When a car driver travelling at a speed of 10 m/s applies brakes and brings the car to rest in 20 s, then retardation will be:
(a) + 2 m/s2
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Question 52:
Which of the following could not be a unit of speed?
(a) km/h
(b) s/m
(c) m/s
(d) mm s−1
(a) km/h
(b) s/m
(c) m/s
(d) mm s−1
Q3
Question 53:
One of the following is not a vector quantity. This one is :
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(b) speed
(c) acceleration
(d) velocity
View all(a) displacement
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(c) acceleration
(d) velocity
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Question Text | Question 52:
Which of the following could not be a unit of speed? (a) km/h (b) s/m (c) m/s (d) mm s−1 |
Topic | Motion |
Subject | Science |
Class | Class 9 |
Answer Type | Text solution:1 |
Upvotes | 67 |