MCQs in Physics Part I

(Last Updated On: December 8, 2017)

MCQs in Physics Part 1

This is the Multiples Choice Questions Part 1 of the Series in Physics as one of the General Engineering and Applied Sciences (GEAS) topic. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including past Board Questions in General Engineering and Applied Sciences (GEAS), Physics Books, Journals and other Physics References.

Online Questions and Answers in Physics Series

Following is the list of multiple choice questions in this brand new series:

College Physics MCQs
PART 1: MCQs from Number 1 – 50                        Answer key: PART I
PART 2: MCQs from Number 51 – 100                   Answer key: PART II
PART 3: MCQs from Number 101 – 150                 Answer key: PART III
PART 4: MCQs from Number 151 – 200                 Answer key: PART IV
PART 5: MCQs from Number 201 – 250                 Answer key: PART V
PART 6: MCQs from Number 251 – 300                 Answer key: PART VI
PART 7: MCQs from Number 301 – 350                 Answer key: PART VII
PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII
PART 9: MCQs from Number 401 – 450                 Answer key: PART IX
PART 10: MCQs from Number 451 – 500                 Answer key: PART X

Start Part I of the Series

Choose the letter of the best answer in each questions.

1. What is the standard unit of mass?

  • A. Kilogram
  • B. Pound
  • C. Gram
  • D. Newton

2. What is defined as the distance the light travels in a vacuum in 1/299,792,458 second?

  • A. Yard
  • B. Feet
  • C. Meter
  • D. Inch

3. What is the SI unit of work?

  • A. Newton
  • B. Watt
  • C. Newton-Second
  • D. Joule

4. What is the SI unit of power?

  • A. Newton
  • B. Watt
  • C. Newton-Second
  • D. Joule

5. What is the SI unit of temperature?

  • A. Fahrenheit
  • B. Kelvin
  • C. Celsius
  • D. Rankine

6. What is the SI unit of luminous intensity?

  • A. Candela
  • B. Lumens
  • C. Lux
  • D. Candlepower

7. What is the unit of relative intensity?

  • A. Pa
  • B. N-m
  • C. C.N-m/s
  • D. Unitless

8. What is the SI unit of pressure?

  • A. Pa
  • B. N-m
  • C. N/m
  • D. N-m/s

9. Which one is equivalent of the unit “Pascal’?

  • A. N/nm2
  • B. N/m2
  • C. N/m
  • D. D.N/nm

10. The pressure of 1 bar is equivalent to how many pascals?

  • A. 1,000,000
  • B. 100,000
  • C. 10,000
  • D. D.1000

11. What is the SI unit of intensity?

  • A. Joule/m2
  • B. kg/m2
  • C. N/m2
  • D. watt/m2

12. What is the unit of potential difference?

  • A. Watt
  • B. Coulomb
  • C. Volt
  • D. Weber

13. Which of the following is equivalent to a volt?

  • A. watt/coulomb
  • B. joule/coulomb
  • C. joule/watt
  • D. watt/joule

14. One election volt is equivalent to _______ joules.

  • A. 1.6 x 10^-17
  • B. 1.6 x 10^-18
  • C. 1.6 x 10 ^-19
  • D. 1.6 x 10^-20

15. What is the unit of capacitance?

  • A. Farad
  • B. Weber
  • C. Coulomb
  • D. Gauss

16. Which of the following is equivalent to the unit “farad”?

  • A. coulomb/volt
  • B. joule/volt
  • C. joule/coulomb
  • D. coulomb/joule

17. What is the unit of electric current?

  • A. Volt
  • B. Watt
  • C. Ampere
  • D. Coulomb

18. Which of the following is equivalent to the unit “ampere”?

  • A. joule/second
  • B. volt/second
  • C. coulomb/second
  • D. watt/second

19. What is the unit of resistance?

  • A. Ohm
  • B. Watt
  • C. Volt
  • D. Ampere

20. Ohm is equivalent to which of the following?

  • A. coulomb/ampere
  • B. watt/ampere
  • C. volt/ampere
  • D. joule/ampere

21. What is the unit of luminous intensity?

  • A. Footcandle
  • B. Lumen
  • C. Candela
  • D. Lux

22. What is the unit of luminous flux?

  • A. Candela
  • B. Lumen
  • C. Lux
  • D. Footcandle

23. Which of the following is equivalent to the unit “candela”?

  • A. lumen/m2
  • B. footcandle/steradian
  • C. lux/steradian
  • D. lumen/steradian

24. What is the unit of luminous efficiency?

  • A. lumen/watt
  • B. lumen/volt
  • C. lumen/ampere
  • D. lumen/coulomb

25. What is the unit of illumination?

  • A. Lux
  • B. Lumen
  • C. Candela
  • D. Lumen/watt

26. Lux is equivalent to which combination of units?

  • A. lumen/cm2
  • B. lumen/ft2
  • C. lumen/m2
  • D. lumen/in2

27. Footcandle is equivalent to which combination of units?

  • A. lumen/cm2
  • B. lumen/ft2
  • C. lumen/m2
  • D. lumen/in2

28. How many dynes are there in one newton?

  • A. 10,000
  • B. 100,000
  • C. 1,000,000
  • D. D.1000

29. What is an elemental unit of energy?

  • A. Quartz
  • B. Quark
  • C. Photon
  • D. Quantum

30. What refers to the mass which is accelerated at the rate of one foot per second when acted on by a force of one pound?

  • A. Slug
  • B. Erg
  • C. Dyne
  • D. BTU

31. The size of some bacteria and living cells is in the order of _______.

  • A. centimetre
  • B. millimetre
  • C. nanometer
  • D. micrometer

32. The size of the largest atom is in the order of ________.

  • A. centimeter
  • B. millimeter
  • C. nanometer
  • D. micrometer

33. The mass of a grain of salt is in the order of _______.

  • A. milligram
  • B. gram
  • C. microgram
  • D. nanogram

34. Which one is equivalent to the unit ‘joule’?

  • A. Newton-second
  • B. Newton-meter
  • C. Newton-meter per second
  • D. Newton-meter per second squared

35. Which one is equivalent to the unit “watt”?

  • A. Newton-second
  • B. Newton-meter
  • C. Newton-meter per second
  • D. Newton-meter per second squared

36. One horsepower is equivalent to how many watts?

  • A. 550
  • B. 746
  • C. 33,000
  • D. 250

37. The “kilowatt-hour” is a unit of _______.

  • A. work
  • B. energy
  • C. power
  • D. work or energy

38. The “kilowatt-hour” is a unit of _______.

  • A. work
  • B. energy
  • C. power
  • D. work or energy

39. The English unit “slug” is a unit of _______.

  • A. mass
  • B. weight
  • C. force
  • D. energy

40. How is sound intensity measured?

  • A. In beats
  • B. In decibels
  • C. In phons
  • D. In sones

41. An electron volt is the energy required by an electron that has been accelerated by a potential difference of how many volts?

  • A. 1 volt
  • B. 0.1 volts
  • C. 10 volts
  • D. 0.01 volts

42. What is a vector with a magnitude of one and with no unit?

  • A. Single vector
  • B. Unit vector
  • C. Dot vector
  • D. Scalar vector

43. What is the purpose of a unit vector?

  • A. To describe the direction in space
  • B. To indicate a magnitude without reference to direction
  • C. To serve as comparison with other vectors
  • D. To set a standard among vectors

44. What is another term for a scalar product of two vectors?

  • A. Cross product
  • B. Vector product
  • C. Dot product
  • D. Plus product

45. What is another term for vector product of two vectors?

  • A. Cross product
  • B. Vector product
  • C. Dot product
  • D. Plus product

46. The scalar product of two perpendicular vectors is always _______.

  • A. equal to 1
  • B. greater than 1
  • C. less than 1
  • D. equal to 0

47. The vector product of two parallel or antiparallel vectors is always ______.

  • A. equal 1
  • B. greater than 1
  • C. less than 1
  • D. equal to 0

48. The vector product of any vector with itself is ______.

  • A. equal to 1
  • B. greater than 1
  • C. less than 1
  • D. equal to 0

49. What refers to physical quantities that are completely specified by just a number and a unit or physical quantities that have magnitudes only?

  • A. Scalar quantities
  • B. Vector product
  • C. Dot product
  • D. Vector quantities

50. What refers to physical quantities that have a magnitude and a direction?

  • A. Scalar quantities
  • B. Vector quantities
  • C. Dot product
  • D. Vector quantities

Complete List of MCQs in General Engineering and Applied Science per topic

MCQs in Physics Part I
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