Which of the following is the most appropriate unit for expressing the speed of a snail.
Km / s
m / s
cm / s
mm /s
Vector quantity has
Only magnitude
Only direction
Both magnitude and direction
Can not be predicted
Ringing of a bell is an example of
Rotatory motion
Translatory motion
Rectilinear motion
Oscillatory motion
The composition of air can be best represented by drawing a
Pie chart
Bar graph
Line graph
Histogram
The most appropriate unit for expressing the speed of a space rocket is
m / h
Km / h
Km / min
A student draws a distance - time graph for a moving scooter and finds that a section of the graph is a horizontal line parallel to the time axis. Which of the following conclusion is correct about this section of the graph
The scooter has uniform speed in this section
The distance travelled by scooter is the maximum in this section
The distance travelled by the scooter is the minimum in the section
The distance travelled by the scooter is zero in this section
Speedometer is not fixed for this
Car
Scooter
Bus
Bicycle
The sundial is a device for measuring
Speed
Distance
Time
Height
Which of the following is the most appropriate to demonstrate the runs scored in the various overs of a cricket match
Time graph
In relation to the road, the girl on the moving bicycle is
At rest
In motion
In oscillatory motion
In rotatory motion
