Revision Motion and Measurement of Distances

In which country first railway routes were laid and in which year?

• India 1850

• England 1856

• England 1850

• England 1905

What was a yard in previous times?

• from shoulder to the tip of the palm of a stretched hand

• Distance from the tip of the nose to the tip of the palm of a stretched hand

• width of the thumb

• length of the heel to the big toe of a person

The SI unit of temperature is

• celcius

• farenhite

• kilogram

• kelvin

10 mm contains how many cm

• 10

• 100

• 1

• 1000

if the edge of the ruler is broken

• we should throw the scale

• measure from the broken edge

• measure from the point which is fully clear.

• none of the above

what two things are necessary to say that the object is in motion

• change in position

• change in mass

• change in time

• change in temperature

Which kind of motion is this: stone falling from a building

• Oscillatory motion

• Rectilinear motion

• Random motion

• Circular motion

(a)   path is followed by the ants

The motion of earth around the sun is an example of periodic motion

• True

• False

• Not compulsory

Which of the following is the SI unit of Energy

• Joyle

• Joule

• Calorie

• Kelvin