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WorksheetsClass 7 - Heat and Motion and time Q.1
Total questions: 24
Worksheet time: 48mins
the S.I unit of speed is
cm/s
cm
m
m/s
Motion which repeats itself in a regular intervals of time is called ..............
Linear motion
circular motion
periodic motion
irregular motion
Motion of objects can be presented in pictorial form by their...............
distance- speed graph
distance-time graph
time-time graph
speed- distance graph
Which of the following graph represents body is at rest position?
Which of the following cannot be used for measuring time?
A leaking tap
simple pendulum
shadow of an object during the day
blinking of eyes
Observe the figure.
The time period of a simple pendulum is the time taken by it to travel from
A to B and back to A
O to A, A to B and B to A
B to A, A to B and B to O
A to B
The given graph represents
Speed of A < Speed of B
Speed of B < Speed of A
Speed of A = Speed of B
body is at rest
Motion of earth is a combination of
linear and circular motion
circular and irregular motion
linear and periodic motion
circular and periodic motion
A simple pendulum takes 24 seconds to complete 30 oscillations. What is the time period of the pendulum?
2.4 s
1.6 s
0.6 s
1.2 s
90 kmph = ............ m/s
20
25
30
35
The movement seen in a giant wheel is an example of _____________ motion.
Rectilinear
Circular
Name the time measuring device.
Sundial
Rounder
Sand clock
Digital clock
Speedometer measures distance
True
False
time period of simple pendulum depends on
mass of bob
volume of bob
length of pendulum
What is a conductor?
a material that heat moves through easily
a material that heat does not move through easily
a material that turns cold when heated
a tool for measuring temperature
Which of these is a better conductor?
