Measurements

Light year is a measure of:

The units of E in E = mc² are

Force in terms of base units is expressed as:

The dimensions of gravitational constant "G" are:

The principle of homogeneity of dimensions determines:

Which one is the highest power multiple?

Name the quantity which can be measured by using the base unit kgm²s^-3 :

The relation between Celsius and Fahrenheit scales is: C/100 = (F−32)/180 . At what temperature do both scales give the same reading?

An observer notes the reading of scale from different angles (parallax) while measuring the length of the wire, what type of error is possible:

The quantities which can be measured accurately are:

The present international standard of time is:

The pressure of 106 dyne cm-2 is equivalent of _ in SI:

One femto - second is equal to:

The density of air is 1.2 kg/m³. It can be expressed in g/cm³ by:

6x10-12 / 2x10-6 will be equal to:

1 x 105 is written in ordinary form as:

One Nano meter is equal to:

In the following, the smallest quantity is:

The kilogram is a unit of:

0.0046 can be written in scientific notation as:

The mm is the unit of:

Of the following the largest quantity is:

65 mm is equivalent of approximately:

Physics is the science based on:

One micro second is:

The branch of sciences which deals with the properties of matter and energy along with the interaction between them is known as:

Astrophysics deals with:

The theory which modified the Newton’s laws of motion for describing the bodies moving with speed comparable with the speed of light is:

Some concepts of static electricity were introduced by:

The branch of science, which deals with the interaction of matter and energy, is called:

Physics is the quantitative science based primarily on:

The people of _ were the pioneers of decimal system.

The _ sciences deal with the properties and behavior of non-living things.

0.0084 has _ significant figures.

The dimensions of impulse are the same as that of:

The unit of dimensions of which of the following pairs of physical quantities are identical?

One Newton is equal to:

Which of the following is the unit of electrical energy?

10 Giga hertz is equivalent to:

One Angstrom equals:

The standard of time in SI system is the clock of:

10^-9 second are equivalent to:

The famous mathematician & the founder of algebra was:

1 degree is equal to _ radians.

The number of significant figures in 0.098000 is:

In International System of Units, the unit of length, mass, time, electric current, temperature, intensity of light and quantity of light and quantity are called:

"Kitab-ul-Manazir" the famous book on optics is written by:

The first book on analytical “Hisab-ul-Jabrwal-Moqabl” was written by:

The book “Kitab-ul-Qanoon-ul-Masoodi” was written by:

Which one of the following Muslim scientists has made a significant contribution to the study of alchemy?

High energy physics deal with the:

If 0.61 is added to 167 with due regard to significant figures, then we get:

The branch of physics deals with study of production propagation & properties of sound waves is called:

Physics can be defined as a branch of science based on:

Prior to 1900 AD physics comprised of:

Physics can be defined as the study of:

If length = 0.233m and width 0.178m, the most accurate area expressed in terms of significant figures is:

Omar Khayyam was expert in:

Who improved upon the calculations of the orbits of the Moon and certain planets?

Who added precious knowledge of Astronomy to science?

Who enriched the heritage of science with number and decimal system?

Pythogoras added a lot in:

Who established the fundamental ideas of modern celestial mechanics based upon observations?

From approximately 700 BC to 150 AD very definite advances in physics were made by the:

The Muslim scientist who wrote a number of books on Algebra, Astronomy and Arithmetic was:

Historical records show that the Ancient Babylonians and Egyptians as early as 3000 BC were familiar with some of the fundamental principles of:

Which of the following periods is called the period of classical physics?

The progress of Muslims in the field of science is appreciable in the period:

It is one of the oldest and most highly organized of all the present sciences:

It is concerned with the application of modern physics to the astronomical phenomena:

The nuclear physics is concerned with the study of the properties of _.

The most basic branch "Mechanics" of physics deals with the:

A second is defined as the duration of vibration of:

Zero is significant only if it:

The famous Mathematician and founder of Algebra was:

Physics is one of the branches of:

Pinhole camera was invented by:

Which of the following quantities have the same dimensions: I) Power II) Energy III) Torque

M1L-1T0 is the dimensional representation of:

The SI system of units comprises of:

Which one of the following is not a fundamental unit?

The special theory of relativity was published 1905 by:

Which one of the following is a fundamental quantity?

Ibn-al-Haitham developed:

An example of fundamental quantity is:

Work is measured in Joules while energy is expressed in:

Kilogram is the unit of:

The first book of physics was written by:

The Muslim scientist who wrote the books on Astronomy, Algebra and Arithmetic was:

ML²T^-3 represents the dimension of:

Physics is a quantitative science based primarily on:

The branch of science which deals with properties of matter and energy is called:

The branch of physics which deals with motion of bodies under the action of forces is called:

The dimensions of [1/2 at2] are that of:

Orange light emitted from krypton-86 atoms was used to define:

In MKS system, the unit of pressure is:

Dimension of couple is:

Dimensions of power are:

The dimensional formula of angular velocity is:

The unit of power is:

Which of the following is a derived quantity:

Which of the following is fundamental quantity:

Meter per second is the unit of:

The unit of velocity in MKS system can be:

Absolute unit of work in C.G.S. system is:

Which one is a unit of time:

Joule is the unit of:

The unit of power, in MKS system is:

The unit of work, in MKS system is:

The unit of force, in MKS system is:

In SI system, the unit of energy is:

In SI system, the unit of temperature is:

In SI system, the unit of time is:

In SI system, the unit of length is:

In International system of units, called SI units, the unit of mass is:

The unit of torque in SI units is:

Which of the following is not a fundamental quantity?

The theory of relativity was produced in 1905 by:

The new era of modern physics began near the end of:

In MKS system, the unit of current is:

In C.G.S. system, the unit of length is:

Radio was invented by:

The Muslim scientist who wrote the books on physics, mathematics, astronomy and engineering was:

The branch of physics which deals with structure, properties and various phenomena regarding nuclei is:

The branch of physics which deals with the structure and properties of atoms as determined by electron outside the nucleus:

The branch of physics which deals with the motion of particles and bodies under the action of given force is called:

The branch of science which deals with the properties of matter and energy along with the interaction between them is known as:

The unit of absolute temperature is:

Candela is the unit of:

Number of significant figures in 0.0001 is:

The dimensions of frequency are:

The SI unit of angular displacement is:

The dimensions of weight are:

Which of the following is the dimensions of force:

Light year is the unit of:

Which of the following is not a fundamental unit in SI units:

Which of the following is not a derived unit:

The units which are based on one or more fundamental units are called:

Fundamental units in MKS system are:

The fundamental physics quantities which form the basis for the MKS system are:

The theory of relativity was introduced (in 1905) by:

The Physics of Islamic era ranges from:

The branch of physics which deals with the properties and interaction of nuclear particles (protons and neutrons) is called:

Newton is the unit of:

The rounded-off figure of 46.55 is:

We can write one mega as:

We can write one kilo as:

The length is measured in:

The supplementary units are known as:

“Ampere” is the unit of:

The unit name of temperature is:

“Candela” is the unit name of which quantity?

Complete the following statement: Kepler and _ established the fundamental ideas of celestial mechanics.

Archimedes is also known as the founder of which physics?

The Islamic era (600-1500 AD) is also known as:

The branch of physics that deals with structure of atom and properties of atom is:

The branch of science which deals with forces acting on bodies in motion, is called:

The branch of science which deals with properties of matter, energy and their relationship is called:

The maximum possible error in the reading for a meter rod (with a least count of 1 mm) is:

The dimensions of work may be expressed as:

The dimensions of velocity are:

In the SI system, how many base units are there?

The number of fundamental units of measurement in science is:

In the international system of units, the unit of mass is:

The SI unit of energy is:

The SI unit of force is:

Which of the physical quantities does not have the same units:

The decimal system was invented by:

Fundamental ideas of modern celestial mechanics were established by:

The Muslim scientist, Al-Khawarzami, is famous for his work on:

Muslim scientists made important discoveries in the period:

The density of the material of a cube is measured by determining its mass and the length of its side. If the maximum errors in the measurement of mass and the length are 3% and 2% respectively, the maximum error in the measurement of density is:

The velocity of a free falling body changes as (gp)x(hq) where g is the acceleration due to gravity and h is the height. The values of p and q are:

The dimensions of Planck’s constant are:

Density of wood is 0.5 g/cm³ in the CGS system of units. The corresponding value in MKS units will be:

A wave is represented by y=a sin(At-Bx+C), where A, B, and C are constants. The dimensions of A, B, C respectively are:

If force, length and time are the fundamental units, what will be the dimensional formula for mass?

An athlete’s coach told him that muscle times speed equals power. What dimensions does he get for “muscle”?

A cube has a side of 1.2 x 10^-2m. Its volume will be recorded as:

Dimensional formula of Stefan’s constant is:

Which of the following is not a unit of time:

Dimensions of ohm are the same as those of (h is Planck’s constant and e is charge):

A radar signal is beamed towards a planet from Earth and its echo is received seven minutes later. If the distance between the planet and Earth is 6.3X1010m, then the velocity of the signal will be:

If the units of M and L are quadrupled, then the units of torque become:

The dimensional representation of Planck’s constant is identical to that of:

In a particular system, the units of length, mass ,and time are 10cm, 10g and 0.1s respectively. The unit of force in this system will be :

If 1g cm s^-1=x newton-second, then x equals to :

Which of the following groups has different dimensions?

The time dependence of a physical quantity p is given by p=p0e-αt2, where α is constant and t is time. The constant:

In a certain system of units, 1 unit of time is 5 sec, 1 unit of mass is 20 kg and 1 unit of length is 10 m. In this system, one unit of power will correspond to:

Which of the following sets cannot enter into the list of fundamental quantities in any system of units?

To keep an object moving in a circle at constant speed requires a force F, where F∝ mavbrc. According to dimensional analysis, the components a, b, and c are:

Dimensional formula for latent heat is:

A pressure of 106 dyne cm-2 is equivalent to:

If s=1/3 f t3, 'f' has the dimensions:

The dimensional formula of kinetic energy is the same as that of:

Kilowatt hour is the unit of:

The dimensions of σb4 (σ =Stefan's constant and b = Wein's constant) are:

The dimensions of h/e (h = Planck’s constant and e = electronic charge) are same as that of:

The density of a cube is determined by measuring its mass and the length of its sides. If the maximum errors in the measurement of its mass and length are 4% and 3% respectively, the maximum error in density is:

In a resonance tube with a tuning fork of frequency 512 Hz, the first resonance occurs at water level equal to 30.3 cm, and the second resonance occurs at 63.7cm. The maximum possible error in the speed is:

A rectangular plate has length (2±0.02) cm and width (1±0.01) cm. The maximum percentage error in the measurement of its area is:

If velocity, force and time are taken to be fundamental quantities, then the dimensional formula for mass will be:

If the units of length and force are increased four times, then the unit of energy will:

In an experiment the dimensions of a rectangular plate is measured with a meter rule (accurate to ± 0.1 cm). If the length of the plate is measured 16.3 cm, the number of significant figures will be:

A metal sphere of radius r is dropped into a tank of water. As it sink at speed v, it experience a drag force F given by where k is a constant. What are the SI base units of k?

A value for the acceleration of free fall on Earth is given as (10 ± 2) ms^-2. Which statement is correct?

How many cubic nanometres, nm³, are in a cubic micrometer, μm³?

Name the quantity which can be measured by using the base unit kgm²s^-3 :

Electric charge on an object is measured as 5 micro-coulombs. The value of this charge can be expressed in terms of base units as:

If ‘A’ is the fundamental dimension of ampere, then the dimension of magnetic field strength is:

The frequency of vibration of the string is given by the equation given below. (p is the number of segments in the string and l is the length of the string).The dimensional formula for m will be:

Force is a derived quantity, its derived unit can be expressed in terms of the base units as:

What is 1 radian in degrees approximately:

The unit of velocity is:

The velocity of a particle is related to time according to the equation v= ct³. The dimensions of constant:

The length and width of a rectangular plate are measured to be 15.3 mm and 12.50 mm. Find the area of the plate up to an appropriate number of significant figures:

The dimensions of angular velocity (ω) is:

The base units of Young’s Modulus are:

The number L = 8.0 x 10⁴ cm can be expressed as:

In the SI system of units, the fundamental units of mass, time and length are __________ , __________ and _________ respectively.

The dimension of angular momentum is:

Identify the dimensions of area, velocity and acceleration respectively: (where L= Length, T=Time)

The dimensions of acceleration are:

The dimensions of volume and acceleration (respectively) are:

Which set of the prefixes gives values in increasing order?

The different magnitudes of same physical quantities are measured by comparing them to: