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# Measurement

## Measurement - 7th Std Science 1st Term

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Question 1 |

**Fill in the blanks.**

Area | |

Volume |

Question 2 |

The unit of area is _______

m^2 | |

m^3 | |

m^4 |

Question 3 |

1 hectare = _______ acre.

2.47 | |

3.27 | |

4.18 |

Question 4 |

We use a ________ to measure the area of irregular objects.

Metre Scale | |

White Sheet | |

graph sheet |

Question 5 |

Area of a triangle is calculated by the formula ________

½ bh | |

2lbh |

Question 6 |

Area of a circle is given by the formula ______

π r 2 | |

1/2 lbh |

Question 7 |

The space occupied by a body is its _______

Volume | |

Area |

Question 8 |

A ________ is used to make small fixed volume of liquid to flow.

pipette | |

Burette |

Question 9 |

________ is the mass of unit volume of a substance.

Weight | |

Pressure | |

Density |

Question 10 |

Density of water is _______ kg/ M3 .

100 | |

1000 | |

10000 |

Question 11 |

Pendulum clocks work on the principle of ______

Torsional Pendulum | |

simple pendulum | |

Compound pendulum |

Question 12 |

________ is the average distance between the earth and the sun.

Astronomical unit | |

Unit | |

Light Year |

Question 13 |

The unit of density is ______.

kg/ m^5 | |

kg/ m^3 | |

kg/ m^7 |

Question 14 |

The unit of volume is ______

m^7 | |

m^5 | |

m^3 |

Question 15 |

A _______ is used to measure time.

Watch | |

clock | |

Pulse |

Question 16 |

Quantities got by the multiplication or division of _______ physical quantities are called derived quantities.

fundamental | |

Technical | |

Basic |

Question 17 |

Volume and density are _________ quantities.

derived | |

calculated |

Question 18 |

Breadth, height, depth, distance,radius, diameter are all different measures of ________

Volume | |

Area | |

length |

Question 19 |

Cm2 is an unit of _______

Volume | |

Area |

Question 20 |

________ is the volume of a cube of side 1m.

1 Cubic metre | |

100 Cubic metre |

Question 21 |

Volume of liquid is measured in ________

Grams | |

Litres |

Question 22 |

1 litre = ________

1000 c m^3 | |

10000 c m^3 | |

1000 c m^5 |

Question 23 |

If a substance is lighter than water, it will _______

Freeze | |

Melt | |

float |

Question 24 |

Density of _________ is 1000 kg M-3

Oil | |

water |

Question 25 |

The back and forth motion of a swing is ________

Oscillatory motion | |

Vibratory motion | |

Periodic motion |

Question 26 |

One complete to and fro motion of a pendulum is called one _________ of the pendulum.

Period | |

Wave | |

oscillation |

Question 27 |

The time taken to complete one oscillation is called ______

Duration | |

Frequency | |

Time period |

Question 28 |

Time period of a simple pendulum depends on the ________

breadth of the pendulum | |

Length of the pendulum | |

volume of the pendulum |

Question 29 |

_______ is the distance upto which the bob is pulled from the position of rest.

Amplitude | |

Frequency | |

Magnitude |

Question 30 |

The distance of the sun

**light year**from the earth is measured by the unit _____frequency | |

light year | |

Duration |

Question 31 |

__________ is the distance travelled by light in vacuum in one year.

Frequency | |

Light year | |

Duration |

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There are 31 questions to complete.