Measurement - 7th Std Science 1st Term
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The unit of area is _______
1 hectare = _______ acre.
We use a ________ to measure the area of irregular objects.
Area of a triangle is calculated by the formula ________
Area of a circle is given by the formula ______
π r 2
The space occupied by a body is its _______
A ________ is used to make small fixed volume of liquid to flow.
________ is the mass of unit volume of a substance.
Density of water is _______ kg/ M3 .
Pendulum clocks work on the principle of ______
________ is the average distance between the earth and the sun.
The unit of density is ______.
The unit of volume is ______
A _______ is used to measure time.
Quantities got by the multiplication or division of _______ physical quantities are called derived quantities.
Volume and density are _________ quantities.
Breadth, height, depth, distance,radius, diameter are all different measures of ________
Cm2 is an unit of _______
________ is the volume of a cube of side 1m.
1 Cubic metre
100 Cubic metre
Volume of liquid is measured in ________
1 litre = ________
1000 c m^3
10000 c m^3
1000 c m^5
If a substance is lighter than water, it will _______
Density of _________ is 1000 kg M-3
The back and forth motion of a swing is ________
One complete to and fro motion of a pendulum is called one _________ of the pendulum.
The time taken to complete one oscillation is called ______
Time period of a simple pendulum depends on the ________
breadth of the pendulum
Length of the pendulum
volume of the pendulum
_______ is the distance upto which the bob is pulled from the position of rest.
The distance of the sun light year from the earth is measured by the unit _____
__________ is the distance travelled by light in vacuum in one year.
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