8th Standard Syllabus & Materials
8th Standard
TN 8th Tamil இயல் 3 - கல்வி கரையில - வினைமுற்று Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை - மயங்கொலிகள் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை -பட்டமரம் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை - இயற்கையை போற்றுவோம் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 1 - தமிழ் இன்பம் - ஆழிக்கு இணை Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2-ஈடில்லா இயற்கை - திருக்குறள் Important Questions And Answers Study Material - QB365 Set A
Published on: 25/09/2019
Measurements
Download Tamil Nadu 8th 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.
Quantities other than base quantities are called as
supplementary quantities
derived quantities
professional quantities
energy quantities
2.
SI unit stands for
International system of units
Integrated System of units
International symbol of units
Integrated symbol of units
3.
SI unit of temperature is __________
celsius
fahrenheit
kelvin
ampere
4.
Which one the following systems of unit is the British System of unit?
CGS
MKS
FPS
SI
5.
The melting point of pure ice is ______
6.
The intersection of two straight lines gives us_______.
7.
_______ is used to measure electric current.
8.
The solid angle is measured in _______.
9.
Precision is the process of finding the solution by means of estimation
10.
Heat given to a substance will increase its temperature
11.
The number 4.582 can be rounded off as 4.58.
12.
If One coulomb of charge flowing in one minute, it is called ‘ampere’.
13.
SI units are metric system of units.
14.
80°C
15.
30K
16.
Precision
17.
Solid Angle
18.
Temperature
19.
Name the metric systems of units.
20.
How many hours are there in a minute?
21.
What is the ‘Lower Fixed Point’ of the Fahrenheit scale?
22.
What is the unit of mass in FPS system?
23.
What are errors?
24.
Define - mole.
25.
Define - ampere.
26.
What is measurement?
27.
Write a note on Greenwich Mean time (GMT) and Indian Standard Time (IST)
28.
List out the base quantities with their units.
1.
(b)
derived quantities
2.
(a)
International system of units
3.
(c)
kelvin
4.
(c)
FPS
5.
( )
0oC
6.
( )
Plane angle
7.
( )
Ammeter
8.
( )
Steradian
9.
(b)
10.
(a)
11.
(a)
12.
(b)
13.
(a)
14.
353K
15.
-243.2°C
16.
Closeness to two or more measurements
17.
Angle formed by the intersection of three or more planes
18.
Measure of hotness or coldness
19.
CGS, MKS, and SI units.
20.
There are 60 minutes in one hour (1/60 hour = 1 minute)
21.
32°F
22.
Pound
23.
The value of every measurement contains some uncertainty. These uncertainties are called as errors.
24.
Mole is defined as The amount of substance which contains 6.023 x 1023 entities.
25.
ampere:
One ampere is defined as one coulomb of charge moving in a conductor in one second.
26.
Measurement is the process of finding an unknown physical quantity by using a standard quantity
27.
Greenwich Mean Time (GMT) :
i. The mean solar time at the Royal Observatory, located at Greenwich in London.
ii. Measured at the longitude of zero degrees.
iii. Earth is divided into 24 zones, with a width of 15 degrees longitude called Time zones.
iv. Time difference between two adjacent, time zones is 1 hour.
Indian Standard Time (1ST) :
i. The location of Mirzapur in Uttar Pradesh is taken as the reference longitude of the Indian standard time.
ii. It is located at 82.5-degree longitude.
iii. IST= GMT + 5.30 hours.
28.
| Quanitity | Unit | Symbol |
| Length | Metre | m |
| Mass | Kilogram | kg |
| Time | Second | s |
| Temperature | Kelvin | K |
| Electric current | Ampere | A |
| Amount of substance | Mole | mol |
| Luminous intensity | Candela | cd |
8th Standard Syllabus & Materials
8th Standard
TN 8th Tamil இயல் 3 - கல்வி கரையில - பாடறிந்து ஒழுகுதல் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 3-கல்வி கரையில - பல்துறைக் கல்வி Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 3-கல்வி கரையில - புத்தியைத் தீட்டு Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை - தமிழர் மருத்துவம் ( நேர்காணல்) Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 8th Standard Subjects
Tamilnadu Stateboard Standards
