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Published on: 18/09/2019
Measurement
Download Tamil Nadu 7th Standard Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Science Test1.
How many fundamental quantities are there is SI units?
2.
What is the special unit used by astronomers for measuring the distance in deep space?
3.
Which one of the following has more density. Water or cooking oil.
4.
Which one of the following has more volume. Iron block or a wooden block of same mass.
5.
What are the other units used to measure the volume of liquids?
6.
How will you determine the volume of a liquid?
7.
What is the SI unit of electric charge?
8.
What are the types of physical quantity?
9.
Write the SI unit of speed
10.
Find the volume of (Take \(\pi\) = 22/7)
i. a cube whose side is 3 cm.
ii. a cylinder whose radius is 3 m and height is 7 m.
11.
What is the density of gold?
12.
Name the liquid in which an iron ball sinks.
13.
Give the formula to find the density of objects.
14.
Write down the formula used to find the volume of a cylinder.
15.
Give the value of one light year.
1.
Seven.
2.
Light year.
3.
Water
4.
Wooden block.
5.
Gallon, ounce and quart.
6.
By using measuring cylinder.
7.
Coulomb (C)
8.
(i) Fundamental quantity
(ii) Derived quantity.
9.
m/s
10.
a. Volume of a cube = side \(\times\) side \(\times\) side
= 3 cm \(\times\) 3 cm \(\times\) 3 cm = 27 cubic cm or \(\mathrm{cm}^{3}\)
b. Volume of a cylinder \(=\pi \times(\text { radius })^{2} \times \text { height }\)
\(=22 / 7 \times 3 \times 3 \times 7=198 \mathrm{~m}^{3} .\)
11.
Density of gold is 19,300 kg/m3
12.
Iron ball sinks in all the liquids apart from mercury.
13.
Density (D) = mass (M) / volume (V).
14.
Volume of a cylinder = π r2 h
15.
One light year = 9.46 \(\times\) 1015m
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Tamilnadu Stateboard 7th Standard Subjects
Tamilnadu Stateboard Standards
