INTERNATIONAL SYSTEM OF UNITS (SI)
International System of Units (SI)
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
6
7
6.7
7.5
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Explanation
Fresh milk has a pH value of 6.7 .
Bacteria from the family of Lactobacillaceae are lactic acid bacteria (LAB) responsible for the breakdown of the lactose in milk to form lactic acid.
ٹیپ کی رفتار _____ میں ماپا جاتا ہے؟
Feet per second
Meter per second
Inch per second
None of these
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Explanation
Tape speed is measured in inch per second.
آبشار کی وجہ سے بننے والی توانائی کونسی ہے؟
Potential energy
Kinetic energy
Both A and B
None of these
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Explanation
At the top of the waterfall, energy is stored in the form of gravitational potential energy
but when it falls , it gets converted from potential to kinetic energy
Potential energy due to the object's height above the Earth is converted to kinetic energy as it falls
ND13-5-2023
مائع کی پیمائش کی اکائی کیا ہے؟
Meter
Kilogram
Liter
Celsius
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Explanation
The unit for measuring liquid is the liter .
It is the standard metric unit used to measure the volume of liquids.
cm-1
ohm cm-1
mho cm-1
None of these
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Explanation
The cell constant is a measure used in conductivity measurements and is defined as the ratio of the distance between the electrodes to the area of the electrodes.
Its unit is cm⁻¹ (inverse centimeters), which reflects the geometric configuration of the cell used in measuring conductivity.
لائٹ ایمیٹنگ ڈائیوڈ ایک ___ سیمی کنڈکٹر ڈیوائس ہے۔
3 lead
4 lead
7 lead
2 lead
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Explanation
Light emitting diode is a 2 lead semiconductor device .
لائٹ ایمیٹنگ ڈائیوڈ ایک 2 لیڈ سیمی کنڈکٹر ڈیوائس ہے۔
الیکٹرک فلوکس ڈینسٹی کس چیز میں ماپا جاتا ہے؟
Newton per square matrix
Coulombs per square meter
Joules per meter
Coulombs Joules
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Explanation
Electric flux is measured in Coulombs C , and surface area
is measured in square meters (m2).
The SI unit of electric flux density
is coulomb per square meters (C/m2).
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ایس آئی یونٹ کیلون کی علامت کیا ہے؟
A
F
K
C
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Explanation
The symbol of the SI unit Kelvin is K .
It is the base unit of temperature in the International System of Units.
It is used to measure thermodynamic temperature.
لمبائی، کمیت، برقی رو، وقت، روشنی کی شدت اور مادے کی مقدار _____ کی مثالیں ہیں؟
Base quantities
Derived quantities
Prefixes
Quartile quantities
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Explanation
These six quantities ( length, mass, electric current, time, intensity of light, and amount of substance) are the fundamental base quantities in the International System of Units (SI).
They are the basic building blocks of the SI system and are used to define all other quantities.
پیمائش کا ایک عالمی نظام جس میں بنیادی مقداروں کی اکائیاں متعارف کرائی گئیں ____ کہلاتے ہیں؟
Prefixes
International system of units
Hexadecimal system
None of above
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Explanation
The International System of Units (SI) is a modern metric system that defines the units of measurement for base quantities.
Such as length, mass, time, current, temperature , amount of substance, and luminous intensity.
The SI system was established in 1960 and is widely used across the world as a standardized system of measurement.