Free Measurements MCQs with Answers

• A. Area
• B. Candela
• C. Acceleration
• D. Velocity

Explanation: The candela is a fundamental quantity. It is the SI unit of luminous intensity, which measures the brightness of light.

• A. Lorentz
• B. Schrodinger
• C. Einstein
• D. Max Plank

Explanation: Albert Einstein is the correct answer. He introduced the theory of special relativity in 1905, which revolutionized our understanding of…

• A. Erg
• B. Meter
• C. Kelvin
• D. Ampere

Explanation: The erg is not a fundamental unit; it is a derived unit. The erg is a unit of energy and work in the centimeter-gram-second (CGS) system.

• A. Three basic units
• B. Five basic units
• C. Six basic unit
• D. Seven basic units

Explanation: This is the correct answer. The SI system consists of seven base units, which are: Meter (m) - unit of length Kilogram (kg) - unit of mass…

• A. Al-Beruni
• B. Yaqoob Al-Kindi
• C. Ibn-Al-Haitham
• D. Al-Khwarizmi

Explanation: The pinhole camera, also known as the camera obscura, is an optical device that uses a small hole or aperture to project an inverted image…

• A. Life sciences
• B. Physical science
• C. Biological sciences
• D. Social sciences

Explanation: B is the correct answer. Physics is one of the branches of physical science.

• A. Al Kindi
• B. Al Khwarizmi
• C. Al Beruni
• D. Naseruddin Tusi

Explanation: Al-Khwarizmi is the correct answer. He was a Persian mathematician, astronomer, and geographer who lived during the 9th century.

• A. Lies to the left of the significant digit
• B. Is between two digits
• C. Is after the decimal point
• D. Is before the decimal point

Explanation: Zeros between nonzero digits are considered significant. For example, in the number 205, the zero is considered a significant figure.

• A. Carbon atom
• B. Caesium atom
• C. Radium atom
• D. Nitrogen atom

Explanation: B is the correct answer. The current definition of a second is based on the vibrations associated with the caesium-133 atom.

• A. Gravitational, electromagnetic and nuclear fields
• B. Acoustics
• C. Motion of particles under forces
• D. Optics

Explanation: Option C correctly aligns with the fundamental concept of mechanics, as it involves studying how objects move when subjected to various…

• A. Atoms
• B. Molecules
• C. Electrons
• D. Matter

Explanation: Nuclear physics involves the study of atomic nuclei, which are central to understanding radioactive decay, nuclear reactions, and nuclear…

• A. Astrophysics
• B. Plasma Physics
• C. Biophysics
• D. Electromagnetism

Explanation: Astrophysics precisely deals with the application of various principles of modern physics (such as quantum mechanics, thermodynamics, and…

• A. Physics
• B. Chemistry
• C. Biology
• D. Astronomy

Explanation: Explanation of this question will be added soon!

• A. 3000 BC to 600 AD
• B. 1500 AD to 1700 AD
• C. 600 AD to 1500 AD
• D. 1700 AD to 1890 AD

Explanation: Explanation of this question will be added soon!

• A. 3000 BC to 600 AD
• B. 1500 AD to 1700 AD
• C. 600 AD to 1500 AD
• D. 1700 AD to 1890 AD

Explanation: Explanation of this question will be added soon!

• A. Mathematics
• B. Physics
• C. Chemistry
• D. Biology

Explanation: Considering the context of attributing the knowledge possessed by these civilizations around 3000 BC to the field that aligns most…

• A. Abu Abdullah Muhammad Ibn-Jabir-Al-Battani
• B. Ibn-Al-Haitham
• C. Jabir Bin Hayyan
• D. Al-Khawarizimi

Explanation: The Muslim scientist known for writing numerous books on Algebra, Astronomy, and Arithmetic was **Muhammad ibn Musa al-Khwarizmi**.

• A. Arabs
• B. Egyptians
• C. Greeks
• D. Romans

Explanation: During the period roughly spanning from 700 BC to 150 AD, significant advances in physics were made by the ancient Greek scientists and…

• A. Kepler
• B. Galelio
• C. Gilbert
• D. Both a & b

Explanation: Kepler was primarily a theoretician, whereas Galileo was primarily an observer.

• A. Mathematics
• B. Physics
• C. Botany
• D. Trigonometry

Explanation: Explanation of this question will be added soon!