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“Physics Interview Questions and Answers will guide you that Physics is a natural science. Physics is the study of matter and its motion through spacetime and all that derives from these, such as energy and force. Learn the basic and advance concepts of Physics and get preparation of Physics Job Interview by our Physics Interview Questions and Answers.”

192 Physics Questions And Answers

161⟩ Which of the following particles has not yet been observed but is generally theorized to exist

1. mesons

2. gluons

3. fermionic hadrons

4. gravitons

Answer: D

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162⟩ The fundamental forces of nature are most correctly given as

1. gravitational, electromagnetic, strong interactive, weak interactive

2. chemical, mechanical, friction and atomic

3. gravitational, electromotive, magnetic, atomic

4. graviton, photon, lepton, hadron

Answer: A

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163⟩ Which of the following is the emission source for microwaves in a typical microwave oven

1. small cyclotron

2. cadmium disk bombarded with a soft x-ray source

3. magnetron

4. laser lamp

Answer: C

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164⟩ Laser is an acronym for what?

light amplification by stimulated emission of radiation

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165⟩ By primarily using what simple machine did Galileo come to the conclusion on the existence of friction?

inclined plane

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166⟩ What formula is most appropriate to compute the kinetic energy of a block of ice sliding down an inclined plane?

KE=½ mv2

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167⟩ How many femtometers are in a nanometer?

one million

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168⟩ What is the name for the physical constant with a value of 6.62 X 10-27 erg seconds?

Planck's Constant

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169⟩ PHYSICS Short Answer To two significant figures, what is the index of refraction of air?

1.0

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170⟩ If blue light is combined with green light, what color of light is produced?

Cyan

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171⟩ Considering the specific heat of aluminum is 0.21, iron is 0.10, and lead is 0.03, which metal will show the largest increase in temperature per calorie added to one gram of that metal?

lead

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172⟩ This person established the one fluid theory of electricity and performed some of the first investigations into electrical grounding and insulation

Ben Franklin

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173⟩ Assuming g = 9.8 m/sec2, what is the weight on Earth, in Newtons, of a 60 kilogram person?

588 Newtons

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174⟩ What secondary color of light is produced by mixing the primary colors of red and blue?

magenta

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175⟩ If the distance separating two charges is doubled, the force between them decreases by what multiple factor?

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176⟩ For two objects separated by a distance d, if the mass of one of the objects is doubled, what will happen to the gravitational attraction between them?

it is doubled

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177⟩ For projectiles fired at identical speeds but various angles from the ground, neglecting air resistance and the curvature of the Earth, at what angle will the maximum horizontal distance be attained?

45 degrees

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178⟩ What is the term for the speed at which an object will overcome the gravitational attraction of the Earth?

escape velocity

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179⟩ According to the standard model of particle physics, what is the name for the three leptons that have no electric charge and little if any mass?

Neutrino

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180⟩ This perceived force, that seems to want to throw a person off a merry-go-round, is often regarded by physicists as a fictitious force

centrifugal force

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Physics

Home Physics Physics

192 Physics Questions And Answers

161⟩ Which of the following particles has not yet been observed but is generally theorized to exist

162⟩ The fundamental forces of nature are most correctly given as

163⟩ Which of the following is the emission source for microwaves in a typical microwave oven

164⟩ Laser is an acronym for what?

165⟩ By primarily using what simple machine did Galileo come to the conclusion on the existence of friction?

166⟩ What formula is most appropriate to compute the kinetic energy of a block of ice sliding down an inclined plane?

167⟩ How many femtometers are in a nanometer?

168⟩ What is the name for the physical constant with a value of 6.62 X 10-27 erg seconds?

169⟩ PHYSICS Short Answer To two significant figures, what is the index of refraction of air?

170⟩ If blue light is combined with green light, what color of light is produced?

171⟩ Considering the specific heat of aluminum is 0.21, iron is 0.10, and lead is 0.03, which metal will show the largest increase in temperature per calorie added to one gram of that metal?

172⟩ This person established the one fluid theory of electricity and performed some of the first investigations into electrical grounding and insulation

173⟩ Assuming g = 9.8 m/sec2, what is the weight on Earth, in Newtons, of a 60 kilogram person?

174⟩ What secondary color of light is produced by mixing the primary colors of red and blue?

175⟩ If the distance separating two charges is doubled, the force between them decreases by what multiple factor?

176⟩ For two objects separated by a distance d, if the mass of one of the objects is doubled, what will happen to the gravitational attraction between them?

177⟩ For projectiles fired at identical speeds but various angles from the ground, neglecting air resistance and the curvature of the Earth, at what angle will the maximum horizontal distance be attained?

178⟩ What is the term for the speed at which an object will overcome the gravitational attraction of the Earth?

179⟩ According to the standard model of particle physics, what is the name for the three leptons that have no electric charge and little if any mass?

180⟩ This perceived force, that seems to want to throw a person off a merry-go-round, is often regarded by physicists as a fictitious force

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