Behavioral Physics Interview Questions & Answers:

1. A truck travels 420 m. each tire on the truck has a diameter of 42 cm. if one revolution of a tire is equal to 2? times the radius of the tire (in meters), which of the following equations shows how many revolutions each tire makes as the distance is traveled?

No Answer is Posted For this Question

2. All elements with an atomic number greater than what number are unstable?

83

3. What is the name of the device that is made by combining two basic types of solid state rectifiers allowing the device to both rectify and amplify a current?

transistor

4. A coil of wire that produces a magnetic field is typically called a:

solenoid

5. In radio transmission, what does the acronym AM stand for?

amplitude modulation

6. What law yields an equation that is used in determining crystal structure from interference patterns produced by monochromatic X-rays?

Bragg's Law

7. A color made from the addition of two primary colors is called:

secondary color

8. Who determined that the square of a planets period is proportional to the cube of its average distance from the sun?

Kepler

9. What is the dramatic increase in amplitude called when the frequency of forced vibrations on a body matches the bodys natural vibration frequency?

resonance

10. Heat cannot pass from a cooler substance to a warmer substance without some other process being involved. This is an example of which law of thermodynamics?

the second law

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11. Sound frequencies below 16 Hertz are usually referred to by scientists as:

infrasonic

12. 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

13. 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

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

escape velocity

15. 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

16. 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

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

4

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

magenta

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

588 Newtons

20. This person established the one fluid theory of electricity and performed some of the first investigations into electrical grounding and insulation:

Ben Franklin

21. 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

22. If blue light is combined with green light, what color of light is produced?

Cyan

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

1.0

24. 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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25. How many femtometers are in a nanometer?

one million

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

KE=½ mv2

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

inclined plane

28. Laser is an acronym for what?

light amplification by stimulated emission of radiation

29. 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

30. 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

31. 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

32. What large machine, which came on line in the summer of 2000 at the Department of Energys Brookhaven National Lab, is the world's highest energy ion collider:

1. Advanced Photon Source
2. CERN supercollider
3. Relativistic Heavy Ion Collider
4. Phoenix

Answer: C

33. Which of the following colors of light has the greatest angle of refraction in normal glass:

1. yellow
2. green
3. violet
4. red

Answer: C

34. Which of the following is measured in Hertz?

1. speed
2. frequency
3. wavelength
4. amplitude

Answer: B

35. When a person whirls a rock on the end of a string and maintains it in uniform circular motion, the force exerted on the rock is most accurately referred to as:

1. centrifugal
2. centripetal
3. rotational
4. center fleeing

Answer: B