Description : electrically charged particles are found primarily in the ____. -General Knowledge
Last Answer : Electrically charged particles are found primarily in the ionosphere.
Description : Troposphere is the hottest part of the atmosphere because- (1) it is closest to the Sun (2) there are charged particles in it (3) it is heated by the Earth's surface (4) heat is generated in it
Last Answer : (3) it is heated by the Earth's surface Explanation: The lowest part of the troposphere is the warmest because it is closest to the ground, where the heat is coming from.
Description : Troposphere is the hottest part of the atmosphere because (1) it is closest to the Sun (2) there are charged particles in it (3) it is heated by the Earth’s surface (4) heat is generated in it
Last Answer : it is heated by the Earth’s surface
Description : Why would Apple make Magnetosphere worse when they bought it?
Last Answer : I thought the new visualiser is pretty cool (compared to the old default itunes visualiser, at least)
Description : Coulomb friction is a.Friction between solids and liquids b.Friction between electrically charged bodies c.Friction between lubricated surface d.Friction between dry surfaces e.Friction between bodies having relative motion
Last Answer : d. Friction between dry surfaces
Description : A good conductor while carrying current is - (1) alternately charged positive and negative (2) negatively charged (3) positively charged (4) electrically neutral
Last Answer : (2) negatively charged Explanation: Electrons carry current in a good conductor of electricity and they are negatively charged. This makes a good electrical conductor negatively charged.
Description : When one material is rubbed against the other, then it becomes electrically A. neutral B. charged C. positively charged D. negatively charged
Last Answer : charged
Description : What law describes the force between two stationary electrically charged objects? w) Ampere's law x) Coulomb's law y) Kirchoff's Rules (pron: kir-koff rules) z) Ohm's law
Last Answer : ANSWER: X -- COULOMB'S LAW
Description : A good conductor while carrying current is (1) alternately charged positive and negative (2) negatively charged (3) positively charged (4) electrically neutral
Last Answer : negatively charged
Description : Place directly above focus on Earth’s surface is known as -----? A. Strike B. Comma C. Epicenter (Answer) D. Origin
Last Answer : C. Epicenter (Answer)
Description : What is the importance of auroras?
Last Answer : auroras are the northern lights, and that is a very importantevent in Alaska
Description : In which layer do auroras occur?
Last Answer : Need answer
Description : Airmass near to the earth's surface is warmer because it – (1) radiates heat (2) contains dust particles (3) is warmed by terrestrial radiation (4) is far from the sun
Last Answer : (3) is warmed by terrestrial radiation Explanation: The air close to the ground is warmer because the earth's surface is what heats the atmosphere, for the most part. Terrestrial radiation accounts for ... Earth's surface. The further away from the earth's surface we go, the cooler the atmosphere.
Description : Airmass near to the earth’s surface is warmer because it (1) radiates heat (2) contains dust particles (3) is warmed by terrestrial radiation (4) is far from the sun
Last Answer : is warmed by terrestrial radiation
Description : Three charged cylindrical sheets are present in three spaces with σ = 5 at R = 2m, σ = - 2 at R = 4m and σ = -3 at R = 5m. Find the flux density at R = 6m. a) 17/6 b) -17/6 c) 13/6 d) -13/6
Last Answer : d) -13/6
Description : Three charged cylindrical sheets are present in three spaces with σ = 5 at R = 2m, σ = - 2 at R = 4m and σ =-3 at R = 5m. Find the flux density at R = 4.5m. a) 4/4.5 b) 3/4.5 c) 2/4.5 d) 1/4.5
Last Answer : c) 2/4.5
Description : Three charged cylindrical sheets are present in three spaces with σ = 5 at R = 2m, σ = - 2 at R = 4m and σ = -3 at R = 5m. Find the flux density at R = 3m. a) 3 b) 10/3 c) 11/3 d) 4
Last Answer : b) 10/3
Description : Three charged cylindrical sheets are present in three spaces with σ = 5 at R = 2m, σ = - 2 at R = 4m and σ = -3 at R = 5m. Find the flux density at R = 1m. a) 0 b) 1 c) 2 d) 3
Last Answer : a) 0
Description : Which is not true with respect to cathode rays ? [1] (a) A stream of electrons. (b) Charged particles (c) Move with same speed as that of light. (d) Can be defl ected by magnetic fi eld -Science
Last Answer : Move with speed as that of light is not true with respect to cathode rays.
Description : What name is given to the visible light emitted when charged particles pass through a transparent medium with a velocity exceeding the velocity of light in the medium?
Last Answer : ANSWER: CERENKOV RADIATION
Description : The compressibility of clays is caused due to: (A) Expulsion of double layer water from in between the grains (B) Sliping of particles to new positions of greater density (C) Bending of particles as elastic sheets (D) All the above
Last Answer : (D) All the above
Description : how do glaciers and ice sheets Change the earths crust?
Last Answer : Continental ice sheets press down the Earth's crust. They deposit rich soil over the land. Glaciers carve valleys out of rock.
Description : What is a Natural phenomenon where particles from solar activity interact with atoms in earths atmosphere to create bands of light?
Last Answer : color
Description : Choose the incorrect statement from the following : Forest fires are usually due to a) carelessness of humans c) heat of sun b) cutting of trees d) lightning strike
Last Answer : b) cutting of trees
Description : The malleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the maximum malleability? (A) Lead (B) Copper (C) Aluminium (D) Wrought iron
Last Answer : (A) Lead
Description : A nuclear reactor is enclosed in a concrete building with lead sheets covered inside.
Last Answer : To prevent radioactive radiations being released into the environment.
Last Answer : Option A
Description : Which of the following metal sheets is most effective in preventing dampness? (A) Copper sheets (B) Lead sheets (C) Aluminium sheets (D) All the above
Last Answer : Answer: Option D
Description : Galvanised Iron sheets have a coating of (1) Tin (2) Lead (3) Zinc (4) Chromium
Last Answer : (3) Zinc
Description : The sun appears red at sunrise and sunset while it appears white at noon because of _____ A. Refraction B. It is cooler at sunrise and at sunset C. Diffraction leading to red end of the spectrum reaching the earth D. Scattering of light due to dust particles and air molecules
Last Answer : ANSWER: D
Description : The sun appears red at sunrise and sunset while it appears white at noon, because A. Of refraction B. It is cooler at sunrise and at sunset C. Of diffraction leading to red end of the spectrum reaching the earth. D. Of Scattering of light due to dust particles and air molecules?
Last Answer : C. Of diffraction leading to red end of the spectrum reaching the earth.
Description : What is one of four major divisions of the year based on earths tilt and the light from the sun?
Last Answer : What is the answer ?
Description : What does not drive length of R&D project? a. The product's automation level on the Production line. b. The amount of money You are willing to spend on it. c. The number of R&D projects underway ... of the product's new location to an existing product in your company's line. e. The labor strike.
Last Answer : The labor strike.
Description : For the production of X-rays, the electrons which strike with the target are a) slow moving b) fast moving c) vibrational electrons d) free electrons
Last Answer : b) fast moving
Description : Comprehension # 2 The clouds consist of charged particles of water dispersed in air. Some of them are +vely charged, others are -vely charged. When +v
Last Answer : Comprehension # 2 The clouds consist of charged particles of water dispersed in air. Some of them ... dispersed in air by aeroplanes D. None of these
Last Answer : Comprehension # 2 The clouds consist of charged particles of water dispersed in air. Some of them are + ... C. it helps in coagulation D. all of them
Last Answer : Comprehension # 2 The clouds consist of charged particles of water dispersed in air. Some of them are ... sol"` C. neutral sol D. True solution
Description : The alpha particles are A)High`-` energy electrons B)Positively charged hydrogen ions C) High`-` energy `X-` rays radiations D)Double positively charg
Last Answer : The alpha particles are A)High`-` energy electrons B)Positively charged hydrogen ions C) ... ray radiations D. double positively charged helium nuclei
Description : A horizontal stream of charged particles is accelerated to velocity `3 xx10^(7) m s^(-1)` immediately before being allowed into an electric field betw
Last Answer : A horizontal stream of charged particles is accelerated to velocity `3 xx10^(7) m s^(-1)` ... field between plates = rate of change of potential]
Description : Two charged particles have charges and masses in the ratio `2:3` and `1:4` respectively. If they enter a uniform magnetic field and move with the same
Last Answer : Two charged particles have charges and masses in the ratio `2:3` and `1:4` respectively. If they enter a uniform magnetic ... `1:4` C. `3:5` D. `1:6`
Description : Two charged particles traverse identical helical paths in a completely opposite sense in a uniform magnetic field `vec(B)=B_(0)hat(K)`
Last Answer : Two charged particles traverse identical helical paths in a completely opposite sense in a uniform magnetic field `vec(B)=B_ ... + ((e)/(m))_(2) = 0`
Description : Why did the deflection of the beam by magnet suggest that the cathode ray contained charged particles?
Description : What Energy produced by moving charged particles?
Last Answer : Feel Free to Answer
Description : What experimental evidence did Thomson use to his hypothesis that atoms are made up of even smaller charged particles?
Last Answer : The discovery of electrons is based on the deflection of cathode rays and Thomson believed that the atom is more complex.
Description : What are the non-charged particles that are contained in the nucleus of an atom?
Last Answer : Explanation: Neutrons are non charged particles in nucleus. They are present in order to reduce the repulsive forces between two or more positively charged protons, which are also present in the nucleus.
Description : What are non charged particles that are contained in the nucleus of an atom?
Last Answer : Neutrons
Description : Electrons are blank charged particles?
Last Answer : Negative
Description : Alpha particles are positively charged. They most likely have which of these?
Last Answer : more protons than electrons A+
Description : The movement of charged particles towards one of the electrodes under the influence of electrical current is (A) Gel filtration (B) Molecular sieving (C) Gas liquid chromatography (D) Electrophoresis
Last Answer : Answer : D
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)