C-01 — Physical Quantities and Their Measurements

Which is the most ancient branch of science?

Before other branches of science flourished, scientists began studying which branch of physics?

Generally, physics is the branch of science that studies—

Chemistry flourished on the basis of which subject?

Which of the following is NOT included in the energies mentioned with physics?

For the benefit of teaching and learning, physics is divided into how many main branches?

Which of the following is NOT a part of classical physics?

Modern physics has been developed using—

Astrophysics arose from the combination of physics and—

Biophysics is the integration of physics and—

Geophysics is the application of physics in—

Which is a branch of modern physics?

Consider the following statements about physics:

Who first denied explanations based only on religion, myth and extrasensory perception?

Thales was born in—

Pythagoras did fundamental works on geometry and—

The idea that matter has indivisible units called atoms was first proposed by—

According to Aristotle, everything was made of—

The idea of a sun-centred solar system was first given by—

The buoyant force of liquids was discovered by—

Archimedes set enemy ships on fire by converging solar light using a—

Eratosthenes accurately determined—

After the Greek era, the development of science came to a stand-still for nearly—

Zero was effectively used in the Indian subcontinent by—

The present name "algebra" came from the book Al Zaber written by—

The founder of optics is considered to be—

Al Masudi wrote an encyclopaedia on the history of nature in how many volumes?

Omar Khayam was a famous poet, but he was also a renowned—

Shen Kou (1031) studied magnets and described the technique of finding directions while travelling using a—

The heliocentric model of the solar system was proposed in 1543 by—

Who is regarded as the father of modern science?

Galileo's lifespan was—

Newton published the three laws of mechanics and the law of gravitational force in—

Newton invented calculus along with—

Heat was shown to be a kind of energy convertible from mechanical energy by Count Rumford in—

The two important laws of thermodynamics were introduced in 1850 by—

The law of force between charges was invented in 1778 by—

The electric battery was invented in 1800 by—

Magnets can be made by the flow of electricity—this was shown in 1820 by—

Electricity can be produced by varying a magnetic field—shown in 1831 by—

Maxwell expressed varying electric and magnetic fields with a single law in—

According to Maxwell, light is actually a/an—

The wave nature of light was proved through experiments in 1801 by—

Dalton introduced the atomic theory in—

The electron within the atom was discovered by—

Rutherford showed that there is a small nucleus at the centre of the atom in—

The quantum theory was first introduced in 1900 by—

The stability of the atom was explained using quantum theory by—

The father of quantum statistics is—

In which year did Satyendra Nath Bose apply quantum theory to develop quantum statistics?

A class of fundamental particles named "bosons" was named after—

The quantum theory of matter was collectively established between—

Michelson and Morley showed that there is no ether in—

Einstein's theory of relativity was proposed in—

The famous equation $E = mc^2$ is derived from—

The existence of an antiparticle was first hypothesised in 1931 by—

X-rays were discovered in 1895 by—

Radioactive radiation emitted from the centre of an atom was first shown in 1896 by—

Radium was discovered in 1899 by—

New particles produced in particle accelerators are arranged systematically using the—

To explain the mass of fundamental particles, the existence of which particle was proposed?

The Higgs Boson was identified in the laboratory in—

Hubble showed that all galaxies are moving away from one another in—

The universe was created through a massive explosion called the—

According to scientists, the Big Bang occurred how long ago?

Visible planets, stars and galaxies of the universe make up only what fraction of the universe?

To explain the rest of the universe (other than visible matter), scientists must accept the existence of—

Semiconductors, which are the foundation of modern electronics, came from research in—

Acharya Sir Jagadish Chandra Bose was born in—

The birth year of Jagadish Chandra Bose is—

The father of Jagadish Chandra Bose was—

Bhagaban Chandra Bose was a deputy magistrate of—

Returning to his motherland in 1885, Jagadish Chandra Bose became professor of physics at—

Jagadish Chandra Bose first sent a wireless radio signal publicly in—

Bose was the first to reduce the wavelength of electromagnetic waves to the order of—

To detect radio signals, Jagadish Chandra Bose used—

The Cresco graph invented by Bose is used to record—

Earlier it was assumed that response of plants to stimuli was a chemical process. Bose showed that it is actually—

The Bose Biggan Mandir was established in Kolkata in—

The compilation of Jagadish Chandra Bose's Bengali writings is the book named—

Acharya Sir Jagadish Chandra Bose passed away on—

The invisible attractive force shown by lodestone is called—

When amber is rubbed with wool, the property that arises is called—

Electricity and magnetism were shown to be two forms of the same force called—

While explaining beta ray, which new force was discovered?

The combination of electromagnetic force and weak nuclear force is called—

Which two forces are physicists trying to bring under the same law in the future?

The nucleus of an atom consists of—

Neutrons and protons are made of elementary particles called—

The current research topic in particle physics is whether electrons and quarks are made of—

The motion of a falling body and the rotation of the earth around the sun can both be explained by—

To know the laws of nature properly, scientists primarily rely on—

The equation $E = mc^2$ was deduced by Einstein from—

In 1938, by breaking a nucleus, who showed that mass is converted into energy?

The nuclear power plant being built in Bangladesh is located at—

Transistors are made by mixing semiconductors with—

In this universe, anything we can measure is called a—

The number of fundamental quantities in the SI system is—

A quantity expressed using fundamental quantities is called a—

SI is short for the French term—

Which of the following is NOT a fundamental quantity?

The fundamental quantity for "amount of substance" is measured in—

Consider the following quantities:

The SI unit of luminous intensity is—

From which date were kilogram, kelvin, mole and ampere newly defined by physical constants?

The value of the velocity of light $c$ used in SI definitions is—

Planck's constant $h$ has the value—

The charge of an electron used in the SI definition is—

The vibration frequency of Cs-133 used to define the second is—

The Boltzmann constant $k$ is—

The value of Avogadro's constant is—

The luminous intensity factor $K_{cd}$ used in defining candela is—

One second is the time required for Cs-133 atoms to complete how many vibrations?

One metre is the distance travelled by light in vacuum in—

One kilogram is the mass obtained by dividing Planck's constant by—

One ampere is defined as the flow of how many electron charges in one second?

One mole contains—

One kelvin is the change of temperature for a heat change of—

One candela is defined as $1/683$ watt of luminous intensity emitted by a source vibrating at—

The distance from the feet to the stomach of a person of normal height is approximately—

The water in a one-litre bottle has a mass of approximately—

The time required to say "one thousand one" is approximately—

If three mobile phones are charging at the same time, the electric current used is approximately—

If we feel the fever of someone by hand, his temperature has increased by approximately—

A large spoon filled with water contains approximately how many moles of water molecules?

The light coming from a single candle is approximately—

The SI prefix "kilo" represents a multiplier of—

The SI prefix "mega" represents—

The SI prefix "giga" represents—

The SI prefix "tera" represents—

The SI prefix "milli" represents—

The SI prefix "micro" represents—

The SI prefix "nano" represents—

The SI prefix "pico" represents—

The SI prefix "femto" represents—

The SI prefix "atto" represents—

1 kilometre equals—

10 millilitre equals what fraction of a litre?

The power of different fundamental quantities in a quantity is called its—

The dimensions of velocity are—

The dimensions of acceleration are—

The dimensions of force $F$ are—

Force is defined as—

In this book, the dimensions of a quantity are indicated within—

The symbol of a unit is written in—

The symbol of a quantity (e.g. mass, velocity) is written in—

Which of the following is the correct way of writing the unit of mass?

The unit "newton" (after a scientist) is symbolised by—

The symbol of the unit named after Pascal is—

A derived unit produced by multiplication is written using—

The unit of velocity expressed by division can be written as—

The prefix of a unit (e.g. k, G, M) is attached to the unit—

SI prefixes greater than or equal to mega ($10^6$) are written in—

To write the value of a quantity, between the number and the symbol of the unit—

A meter scale is so called because its length is—

One inch is equal to—

The smallest division marked on a normal meter scale is—

To measure lengths smaller than the smallest division of a meter scale, we use a—

The vernier constant (VC) is defined as—

If 9 mm of the main scale is divided into 10 divisions on the vernier scale, the vernier constant is—

Vernier constant is calculated as—

According to the example in the chapter, the length 0.0103 m equals—

The displacement of a screw gauge per complete rotation of the screw is called the—

The circular part of a screw gauge is divided into how many equal parts?

The least count of the screw gauge described in the chapter is—

To measure the length of an object using slide calipers, the actual length is found by—

Mass cannot be measured directly, so it is generally determined by measuring the—

Modern accurate measurement of mass uses—

Stop watches are used to measure—

According to the chapter, the limiting factor of accuracy when using a stop watch is—

If the length of an object is reported as $(4.0 \pm 0.5)$ cm, the actual length lies between—

The absolute error in a measurement is—

Since the actual value is generally not known, instead of absolute error we usually use—

Relative error is defined as—

The length of an object near 7 mm is measured with absolute error 0.5 mm. The relative error is approximately—

The length of a square book is 10 cm with a relative error of 10%. The relative error in its area is approximately—

If the relative error in measuring length is $x\%$, the relative error in measuring volume is approximately—

A box has length 10 cm, breadth 5 cm and height 4 cm, measured by a ruler graduated only in cm. The percentage error in volume is approximately—

The probable smallest volume of the box (10 cm × 5 cm × 4 cm) with $\pm 0.5$ cm error is—

Consider the following statements about errors:

Who has given the quantum theory at first?

The name 'boson' came from—

Which of below is not a fundamental quantity?

When a rod is placed between the jaws of a slide calipers, the main scale reading is found to be 4 cm, the vernier super-imposition is 7 and if the vernier constant is 0.1 mm, what is the length of the rod?

Rafiq measured the length of a pencil as 15 cm using a scale where the absolute error is $\pm 0.5$ cm. What is the relative error in Rafiq's measurement of length?

With a vernier scale of constant 0.005 cm where the smallest division of the main scale is 1 mm, the vernier constant in millimetres is—

If the vernier constant is 0.005 cm and the smallest main-scale division is 0.1 cm, then one division of the vernier scale equals how many divisions of the main scale?

Rashed measured a length as 11.73 cm using a scale graduated only in mm. Why is this measurement inconsistent with accurate measurement?

Why are units required to express the amount of a quantity?

Why are weight and mass not the same type of quantity?

What is meant by a quantity?

Which of the following is a difference between a fundamental quantity and a derived quantity?

Why is the vernier scale attached to the main scale in slide calipers?

What is meant by the vernier constant being 0.1 mm?