Free Measurements MCQs with Answers

262 Measurements MCQs from Physics, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.

Physical quantities are expressed with SI base and derived units, while measurement limits are described through accuracy, precision, absolute and percentage error, and significant figures. Dimensional analysis checks equations, derives relationships and detects inconsistent units, but it cannot determine numerical constants or distinguish quantities with identical dimensions.

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262 questions · page 9 of 14

  • A. Indians
  • B. Chinese
  • C. Arabs
  • D. Egyptians

Explanation: Aryabhata, the mathematician and astronomer known for his contributions to mathematics and the decimal system, hailed from India.

Correct answer: Indians
  • A. Euclid
  • B. Ptolmey
  • C. Thales
  • D. Archimedes

Explanation: Among the options provided, Ptolemy stands out as the individual who significantly added precious knowledge to the field of astronomy with…

Correct answer: Ptolmey
  • A. Al-Beruni
  • B. Abu Abdullah Muhammad Ibn Jabir Al-Battani
  • C. Al-Khawrizimi
  • D. Jabir Bin Hayyan

Explanation: Among the options, B) Abu Abdullah Muhammad Ibn Jabir Al-Battani stands out for his significant improvements in calculations related to…

Correct answer: Abu Abdullah Muhammad Ibn Jabir Al-Battani
  • A. Physics
  • B. Chemistry
  • C. Mathematics
  • D. None of the above

Explanation: Khayyam was a highly skilled mathematician who made significant contributions to algebra and geometry.

Correct answer: Mathematics
  • A. 0.0391m2
  • B. 0.041563m2
  • C. 0.041474m2
  • D. 0.041m2

Explanation: By using formulae Area= length BreadthArea=Length Breadth = 0.233m×0.178mArea = 0.041474 m²

Correct answer: 0.041474m2
  • A. Chemical properties of matter
  • B. Physical properties of matter
  • C. Relation between matter and energy
  • D. Both b & c

Explanation: Physics deals with the physical properties of matter and interaction between matter and energy.

Correct answer: Both b & c
  • A. Mechanics, Sound, Light, Heat, Magnetism and Electricity
  • B. Sound, Light, Nuclear physics, Heat, Plasma physics and Mechanics
  • C. Astrophysics, Light, Heat, magnetism, Electricity and Sound
  • D. All of these

Explanation: Prior to 1900 AD, physics comprised classical mechanics, optics, thermodynamics, electricity and magnetism, wave and sound studies, and…

Correct answer: Mechanics, Sound, Light, Heat, Magnetism and Electricity
  • A. Observation and analysis of facts
  • B. Experimental observation and quantitative measurement
  • C. Mathematical calculation and interpretation
  • D. Replication and verification of known facts

Explanation: In summary, option B ("Experimental observation and quantitative measurement") aligns most closely with the essence of experimental…

Correct answer: Experimental observation and quantitative measurement
  • A. Magnetics
  • B. Optics
  • C. Statics
  • D. Acoustics

Explanation: Acoustics is the study of sound, covering its generation, transmission, and effects on various mediums and organisms, including humans.

Correct answer: Acoustics
  • A. 168
  • B. 167
  • C. 167.61
  • D. 167.6

Explanation: In terms of significant figures, when adding 0.61 to 167:167 + 0.61 = 167.61The number 0.61 has two significant figures, and 167 has three…

Correct answer: 167.61
  • A. Study of electron behavior
  • B. Study of electron charge
  • C. Study of mechanics of energetic bodies
  • D. Study of properties and behavior of elementary particles

Explanation: High energy physics, also known as particle physics, deals with the study of the fundamental particles that make up the universe and the…

Correct answer: Study of properties and behavior of elementary particles
  • A. Jabir Bin Hayyan
  • B. Abu Abdullah Muhammad
  • C. Ibn-al-Haitham
  • D. Ibn-e-Sina

Explanation: Jabir ibn Hayyan, known in the West as Geber, is the Muslim scientist who made significant contributions to the study of alchemy.

Correct answer: Jabir Bin Hayyan
  • A. Ibn-e-Sina
  • B. Al-Razi
  • C. Abu-Rehan Al-Beruni
  • D. Ibn-al-Haitham

Explanation: The book "Kitab-ul-Qanoon-ul-Masoodi" was written by the Persian scholar Al-Biruni, also known as Abu Rayhan al-Biruni.

Correct answer: Abu-Rehan Al-Beruni
  • A. Al-Khawarzami
  • B. Al-Beruni
  • C. Al-Razi
  • D. Ibn-e-Sina

Explanation: The first book on algebra, "Hisab al-Jabr w'al-Muqabala" (The Compendious Book on Calculation by Completion and Balancing), was written by…

Correct answer: Al-Khawarzami
  • A. Ibn-e-Sina
  • B. Al-Khawrzimi
  • C. Jabir-bin-Hayyan
  • D. Ibn-ul-Haitham

Explanation: The famous book on optics, "Kitab al-Manazir" (The Book of Optics), was written by the renowned Muslim scientist Ibn al-Haytham, also…

Correct answer: Ibn-ul-Haitham
  • A. Derived
  • B. Basic
  • C. Fundamental
  • D. Only b & c

Explanation: In the International System of Units (SI), base units are the fundamental units used to define other units.

Correct answer: Only b & c
  • A. 4
  • B. 2
  • C. 5
  • D. 6

Explanation: As per the rule for significance: "Every zero which has a value has no significance and every zero which has no value has significance"In…

Correct answer: 5
  • A. 0.0245
  • B. 0.0561
  • C. 3.1423
  • D. 0.0174

Explanation: We know that, 2π radian = 360° or π radian = 180° Hence, 1° = π/180 radians = 0.0174 radians

Correct answer: 0.0174
  • A. Al-Kindi
  • B. Al-Khwarizmi
  • C. Al-Beruni
  • D. Naseruddin Tusi

Explanation: Muhammad ibn Musa al-Khwarizmi was a Persian mathematician who lived during the 9th century.

Correct answer: Al-Khwarizmi
  • A. Deci second
  • B. Nano second
  • C. Milli second
  • D. Micro second

Explanation: Nano is equal to 10-9. Hence, 10-9 sec = 1 nano sec

Correct answer: Nano second