Description : The famous book; Al – Qanun was written by the Muslim scientist ? A. Jabar bin Hayyan B. Zakariya Al – Razi C. Abu Ali Sina (Answer) D. Abdul Qasim Majreeti
Last Answer : C. Abu Ali Sina (Answer)
Description : In what year did Khalil bin Ahmad Al Farahidi (Rah) add Harkat (whose Jabar Pesh) in the Qur'an ?
Last Answer : No specific date or year has been mentioned in this regard. However, it is believed that Khalil Ibn Ahmad added Harkat to the Qur'an in 140 AH or later.
Description : The time element in price analysis was introduced by : (1) J.M. Keynes (2) Alfred Marshall (3) J.S. Mill (4) J.R. Hicks
Last Answer : (2) Alfred Marshall Explanation: Marshall, who propounded the theory that price is determined by both demand and supply, also gave a great importance to the time element in the determination of price. ... and the longer the period more important will be the influence of cost of production on value."
Description : Who propounded the Innovation theory of profits? (1) J.A. Schumpeter (2) P.A. Samuelson (3) Alfred Marshall (4) David Ricardo.
Last Answer : (1) J.A. Schumpeter Explanation: Schumpeter's (1934) original theory of innovative profits emphasized the role of entrepreneurship (his term was entrepreneurial profits) and the ... innovation, in which independent inventors typically fed discoveries as potential inputs to entrepreneurial firms.
Description : The Liquidity Preference Theory of Interest was propounded by : (1) J.M. Keynes (2) David Ricardo (3) Alfred Marshall (4) Adam Smith
Last Answer : (1) J.M. Keynes Explanation: In macroeconomic theory, liquidity preference refers to the demand for money, considered as liquidity. The concept was first developed by John May-nard Keynes in his book ... Money (1936) to explain determination of the interest rate by the supply and demand for money.
Description : The terms "Micro Economics" and "Macro Economics" were coined by - (1) Alfred Marshall (2) Ragner Nurkse (3) Ragner Frisch (4) J.M. Keynes
Last Answer : (3) Ragner Frisch Explanation: The terms microeconomics and macroeconomics were coined by Professor Ragnar Frisch of Oslo University for the first time in 1933 and since then they gained popularity and ... number of significant advances in the field of economics and coined a number of new words.
Description : Who is called the 'Father of Economics'? (1) Max Muller (2) Karl Marx (3) Adam Smith (4) Alfred Marshall
Last Answer : (3) Adam Smith Explanation: Adam Smith who laid the foundations of classical free market economic theory is known as the Father of Modern Economics. His magnum opus, An Inquiry into the Nature and Causes of the Wealth of Nations (1776),' is considered the first modern work of economics.
Description : The Absorption Approach is developed by (a) Sidney Alexander (b) Alfred Marshall (c) A. Lerner (d) Jacob Viner
Last Answer : Sidney Alexander
Description : Traditional approach to law of Demand was propounded by (a) Giffen ; (b) A Samulson ; (c) Alfred Marshall ; (d) Pique
Last Answer : (c) Alfred Marshall ;
Description : ----------is known as father of economics (a) Adam Smith ; (b) Professor A Samulson ; (c) Alfred Marshall ; (d) J R Hicks
Last Answer : (a) Adam Smith ;
Description : Who defined economics as “ Science which deals with wealth” (a) J. (B) Say ; (b) (A) (C) pigou ; (c) Alfred Marshall ; (d) Robbins
Last Answer : (a) J. (B) Say ;
Last Answer : Alfred Marshall
Last Answer : J.M. Keynes
Description : The terms “Micro Economics” and “Macro Economics” were coined by (1) Alfred Marshall (2) Ragner Nurkse (3) Ragner Frisch (4) J.M. Keynes
Last Answer : Ragner Frisch
Description : Who propounded the Innovation theory of profits ? (1) J.A. Schumpeter (2) P.A. Samuelson (3) Alfred Marshall (4) David Ricardo
Last Answer : J.A. Schumpeter
Description : Revealed preference theory of demand is given by (a) Paul M. Sweegy (b) Marshall (c) Paul Samuelson (d) Hicks
Last Answer : (a) Paul M. Sweegy
Description : Primary cosmic rays are composed largely of very fast-----? A. Protons (Answer) B. Neutrons C. Electrons D. Gamma rays
Last Answer : A. Protons (Answer)
Description : Which of the following has the highest energy? A. gamma rays (Answer) B. X-rays C. Ultra-violet radiation D. radio waves
Last Answer : A. gamma rays (Answer)
Description : Bohar atomic theory postulates
Last Answer : Bohar atomic theory postulates.
Description : Which animal cut the jabar ?
Last Answer : Goat is a cut animal.
Description : Diesel engine was discovered by------? A. Paul Muller B. Faraday C. Waldeyer D. Rudolf Diesel (Answer)
Last Answer : D. Rudolf Diesel (Answer)
Description : The nature of light waves is similar to (a) Cosmic rays (b) Cathode rays (c) Alpha rays (d) Gamma rays
Last Answer : Ans:(d)
Description : Which of the following type of radiation does not originate within the nucleus ? (a) Alpha (b) Beta (c) Gamma (d) X - rays
Description : Consider the following statements: 1. The nuclear forces are short range forces. 2. Alpha rays emitted by a radionuclide are helium nucleus. 3. Gamma rays are electromagnetic waves. 4. Beta rays emitted by a radionuclide are negatively ... 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only
Last Answer : Ans:(c)
Description : Which is natural source of gamma-rays? -Do You Know?
Last Answer : answer:
Description : Energy transferred to a person through gamma rays is measured in by which unit? -Do You Know?
Description : Which word best describes gamma rays?
Last Answer : Destructive
Description : Which of X-rays and gamma rays has higher penetrating power ?
Last Answer : The penetrating power of gamma rays is about 100 times greater than that of X-rays.
Description : What are the characteristics of gamma rays ?
Last Answer : The properties of gamma ray are as follows- 1, it is a neutral particle. 2, it has no mass. 3, its velocity is equal to the velocity of light. 4, It is not distracted by electric and magnetic fields. 5, It is possible to ionize the light.
Description : Assertion. Snakes exposed to gamma rays become non- poisonous. Reason. Poisonous snakes have poison glands and a pair of fangs. They are affected by g
Last Answer : Assertion. Snakes exposed to gamma rays become non- poisonous. Reason. Poisonous snakes have poison ... . If both Assertion and Reason are false.
Description : Assertion (A) : `beta`-particles have greater penetrating power than `alpha`-rays but less than `gamma`-rays Reason (R ) : `beta`-particles are lighte
Last Answer : Assertion (A) : `beta`-particles have greater penetrating power than `alpha`-rays but less than `gamma`-rays ... . If both (A) and (R ) are incorrect.
Description : Gamma rays are:
Last Answer : Gamma rays are: A. high energy electrons B. low energy electrons C. high energy electromagnetic waves D. high energy positrons
Description : The correct order of ionising capcity of `alpha, beta` and `gamma`-rays is
Last Answer : The correct order of ionising capcity of `alpha, beta` and `gamma`-rays is A. `alpha gt beta gt gamma` ... alpha gt beta` D. `beta gt gamma gt alpha`
Description : Is the same for radio waves and gamma rays traveling in space?
Last Answer : Need answer
Description : Are gamma rays positrons?
Last Answer : No, they are not.Gamma rays are photons - just like light. Theyare electrically neutral. They move at the speed of light.Positrons, also known as anti-electrons, have a positive charge.They move at speeds less than the speed of light.
Description : Who have the highest energy gamma rays or neutrons produced from nuclear reactor?
Last Answer : Not sure
Description : Gamma rays have greatest similarity with
Last Answer : X-rays
Description : Ozone protects biosphere from – (1) X-rays (2) Gamma rays (3) Ultraviolet rays (4) Infrared rays
Last Answer : (3) Ultraviolet rays Explanation: Ozone is an allotrope of oxygen that is formed from dioxygen by the action of ultraviolet light and also atmospheric electrical discharges. The ozone layer in ... radiation (UVR) from the sun, protecting life on Earth from its potentially harmful effects.
Description : The maximum biological damage is produced by – (1) X rays (2) gamma - rays (3) beta - rays (4) alpha - rays
Last Answer : (2) gamma - rays Explanation: Gamma radiation, also known as gamma rays, is electromagnetic radiation of high frequency and therefore high energy. Gamma rays are ionizing radiation and are thus biologically hazardous.
Description : Growth of the baby in the uterus is found using - (1) X-rays (2) Gamma rays (3) Ultra sound (4) Ultraviolet rays
Last Answer : (3) Ultra sound Explanation: Ultrasound is a technique that uses sound waves to show a picture of a baby (fetus) in the uterus. It works by bouncing sound waves off the developing fetus. Echoes ... moving or still picture, called 43$ a sonogram, on a screen. The technique is also called sonography.
Description : Ozone saves the biosphere by absorbing high energy radiations called - (1) Infra-red (2) Gamma rays (3) Ultraviolet rays (UV) (4) X-rays
Last Answer : (3) Ultraviolet rays (UV) Explanation: The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet (UV) radiation. It absorbs 97 to 99 ... 200 nm to 315 nm wavelength), which otherwise would potentially damage exposed life forms near the surface.
Description : Gamma rays are - (1) High energy electrons (2) Low energy electrons (3) High energy electromagnetic (4) High energy positron waves
Last Answer : (3) High energy electromagnetic Explanation: Gamma rays (γ) refer to electromagnetic radiation of an extremely high frequency and therefore consist of high energy photons.
Description : X-rays region lies between – (1) Ultraviolet and visible region (2) Visible and infra-red region (3) Gamma-rays and ultraviolet region (4) Short radio waves and long radio waves
Last Answer : (3) Gamma-rays and ultraviolet region Explanation: X-rays region lies between Gamma rays and ultra-violet region.
Description : Which of the following has the lowest frequency? (1) Visible light (2) Gamma rays (3) Xrays (4) Ultra violet rays
Last Answer : (1) Visible light Explanation: The common material used as fuse wire is an alloy of tin and lead (63% tin and 37% lead). Fuse wires provide over current protection of an electrical circuit ... or strip that melts when too much current flows through it, thereby interrupting the flow of current.
Description : Curie is an unit of – (1) Radioactivity (2) energy of Gamma rays (3) intensity of Gamma rays (4) work function
Last Answer : (1) Radioactivity Explanation: The curie (symbol Ci) is a non-SI unit of radioactivity, named 'in honour of Pierre Curie. It was originally defined as "the quantity or mass of radium emanation in equilibrium with one gram of radium (element)".
Description : Ozone layer above the surface of Earth provides a shield against – (1) X-rays (2) Ultra-violet rays (3) Gamma rays (4) Infra-red rays
Last Answer : (2) Ultra-violet rays Explanation: The Ozone layer absorbs 97-99% of the Sun's medium-frequency ultraviolet light (from about 200 nm to 315 nm wavelength), which potentially damages exposed life forms on Earth.
Description : Where are mesons found? (1) Cosmic rays (2) X-rays (3) Gamma rays (4) Laser beam
Last Answer : (1) Cosmic rays Explanation: Mesons are not produced by radioactive decay, but appear in nature only as short-lived products of very high-energy interactions in matter, between particles made ... subatomic particles composed of one quark and one anti-quark, bound together by the strong interaction.
Description : Which one of the following is used for determining the structure of crystal - (1) Gamma rays (2) X-rays (3) UV rays (4) visible light
Last Answer : (2) X-rays Explanation: Crystallography is the science that examines crystals which can be found everywhere in nature, from salt to snowflakes to gemstones.
Description : The radiant energy having lowest energy is – (1) gamma rays (2) UV rays (3) visible light (4) microwave radiation
Last Answer : (4) microwave radiation Explanation: The parts of the electromagnetic spectrum, arranged from highest energy to lowest, are gamma rays, Xrays, Ultraviolet light, visible light, infrared light, microwaves, and radio waves.
Description : Forged documents are detected by – (1) ultraviolet rays (2) infra-red rays (3) beta rays (4) gamma rays
Last Answer : (1) ultraviolet rays Explanation: Old postcards, books, signs, photos and other paper products made before the late 1930s rarely glow under a black light. Chemical bleaches and dyes used ... light. Knowing this helps to detect forged documents and distinguish reproductions in all types of ephemera.