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Physics 9 Chapter 2 - Kinamatics -15
1.
A car starts from rest. What is its initial velocity?
a) -0.1 ms
-1
b) 0.1 ms
-1
c) 10 ms
-1
d) 0 ms
-1
2.
A car starts from rest. Its velocity becomes 20 ms
-1
in 8 s. Find its acceleration?
a) 160 ms
-1
b) 160 ms
-2
c) 2.5 ms
-1
d) 2.5 ms
-2
3.
What would be the change in velocity if a car moving at a velocity of 30 ms
-1
slow down uniformly to 15 ms
-1
in 5s?
a) 45 ms
-1
b) 15 ms
-1
c) -45 ms
-1
d) -15 ms
-1
4.
Find the retardation produced when a car moving at a velocity of 30 ms
-1
slow down uniformly to 15 ms
-1
in 5s?
a) 3 ms
-2
b) 6 ms
-2
c) -15 ms
-
d) 15 ms
-2
5.
Find the negative acceleration produced when a car moving at a velocity of 30 ms
-1
slow down uniformly to 15 ms
-1
in 5s?
a) 15 ms
-2
b) -15 ms
-2
c) 3 ms
-2
d) 6 ms
-2
6.
Find the deceleration produced when a car moving at a velocity of 30 ms
-1
slow down uniformly to 15 ms
-1
in 5s?
a) -15 ms
-2
b) 3 ms
-2
c) 15 ms
-2
d) 6 ms
-2
7.
What is a pictorial way of presenting information about the relation between various quantities?
a) Graph
b) Polygon
c) Histogram
d) Polygram
8.
What is a graph?
a) Pictorial way of representing vectors
b) Pictorial way of representing scalars
c) Pictorial way of watching quantities
d) Pictorial way of representing quantities
9.
What are the quantities called between which the graph is plotted?
a) Variables
b) Scalars
c) Vectors
d) Base quantities
10.
Into how many quantities a graph is plotted?
a) Three
b) Two
c) Four
d) Five
11.
What is the quantity called which is not dependent?
a) Dependent quantity
b) Derived quantity
c) Independent quantity
d) Base quantity
12.
What is the quantity called the value of which varies with the independent quantity?
a) Dependent quantity
b) Derived quantity
c) Base quantity
d) Scalars quantity
13.
The values of dependent quantities vary with.................?
a) Independent quantity
b) Scalars quantity
c) Derived quantity
d) Base quantity
14.
For which of the following purposes, the graph is used?
a) None of these
b) To show velocity of an object
c) To show speed of an object
d) To show year-wise growth/decline
15.
For which of the following purposes, the graph is used?
a) To show month-wise rainfall
b) To show speed of an object
c) To show velocity of an object
d) None of these
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