# MCQ in Physics Part 1 | ECE Board Exam

(Last Updated On: February 22, 2023) 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.

#### Start Practice Exam Test Questions

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

Explanation:

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

Explanation:

3. What is the SI unit of work?

A. Newton

B. Watt

C. Newton-Second

D. Joule

Explanation:

4. What is the SI unit of power?

A. Newton

B. Watt

C. Newton-Second

D. Joule

Explanation:

5. What is the SI unit of temperature?

A. Fahrenheit

B. Kelvin

C. Celsius

D. Rankine

Explanation:

6. What is the SI unit of luminous intensity?

A. Candela

B. Lumens

C. Lux

D. Candlepower

Explanation:

7. What is the unit of relative intensity?

A. Pa

B. N-m

C. C.N-m/s

D. Unitless

Explanation:

8. What is the SI unit of pressure?

A. Pa

B. N-m

C. N/m

D. N-m/s

Explanation:

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

A. N/nm2

B. N/m2

C. N/m

D. D.N/nm

Explanation:

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

A. 1,000,000

B. 100,000

C. 10,000

D. 1000

Explanation:

11. What is the SI unit of intensity?

A. Joule/m2

B. kg/m2

C. N/m2

D. watt/m2

Explanation:

12. What is the unit of potential difference?

A. Watt

B. Coulomb

C. Volt

D. Weber

Explanation:

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

A. watt/coulomb

B. joule/coulomb

C. joule/watt

D. watt/joule

Explanation:

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

Explanation:

15. What is the unit of capacitance?

B. Weber

C. Coulomb

D. Gauss

Explanation:

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

A. coulomb/volt

B. joule/volt

C. joule/coulomb

D. coulomb/joule

Explanation:

17. What is the unit of electric current?

A. Volt

B. Watt

C. Ampere

D. Coulomb

Explanation:

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

A. joule/second

B. volt/second

C. coulomb/second

D. watt/second

Explanation:

19. What is the unit of resistance?

A. Ohm

B. Watt

C. Volt

D. Ampere

Explanation:

20. Ohm is equivalent to which of the following?

A. coulomb/ampere

B. watt/ampere

C. volt/ampere

D. joule/ampere

Explanation:

21. What is the unit of luminous intensity?

A. Footcandle

B. Lumen

C. Candela

D. Lux

Explanation:

22. What is the unit of luminous flux?

A. Candela

B. Lumen

C. Lux

D. Footcandle

Explanation:

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

A. lumen/m2

Explanation:

24. What is the unit of luminous efficiency?

A. lumen/watt

B. lumen/volt

C. lumen/ampere

D. lumen/coulomb

Explanation:

25. What is the unit of illumination?

A. Lux

B. Lumen

C. Candela

D. Lumen/watt

Explanation:

26. Lux is equivalent to which combination of units?

A. lumen/cm2

B. lumen/ft2

C. lumen/m2

D. lumen/in2

Explanation:

27. Footcandle is equivalent to which combination of units?

A. lumen/cm2

B. lumen/ft2

C. lumen/m2

D. lumen/in2

Explanation:

28. How many dynes are there in one newton?

A. 10,000

B. 100,000

C. 1,000,000

D. 1000

Explanation:

29. What is an elemental unit of energy?

A. Quartz

B. Quark

C. Photon

D. Quantum

Explanation:

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

Explanation:

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

A. centimetre

B. millimetre

C. nanometer

D. micrometer

Explanation:

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

A. centimeter

B. millimeter

C. nanometer

D. micrometer

Explanation:

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

A. milligram

B. gram

C. microgram

D. nanogram

Explanation:

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

Explanation:

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

Explanation:

36. One horsepower is equivalent to how many watts?

A. 550

B. 746

C. 33,000

D. 250

Explanation:

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

A. work

B. energy

C. power

D. work or energy

Explanation:

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

A. work

B. energy

C. power

D. work or energy

Explanation:

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

A. mass

B. weight

C. force

D. energy

Explanation:

40. How is sound intensity measured?

A. In beats

B. In decibels

C. In phons

D. In sones

Explanation:

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

Explanation:

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

Explanation:

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

Explanation:

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

A. Cross product

B. Vector product

C. Dot product

D. Plus product

Explanation:

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

A. Cross product

B. Vector product

C. Dot product

D. Plus product

Explanation:

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

Explanation:

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

Explanation:

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

Explanation:

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

Explanation:

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

Explanation:

#### Online Questions and Answers in Physics Series

Following is the list of practice exam test questions in this brand new series:

College Physics MCQs
PART 1: MCQ from Number 1 – 50                        Answer key: PART 1
PART 2: MCQ from Number 51 – 100                   Answer key: PART 2
PART 3: MCQ from Number 101 – 150                 Answer key: PART 3
PART 4: MCQ from Number 151 – 200                 Answer key: PART 4
PART 5: MCQ from Number 201 – 250                 Answer key: PART 5
PART 6: MCQ from Number 251 – 300                 Answer key: PART 6
PART 7: MCQ from Number 301 – 350                 Answer key: PART 7
PART 8: MCQ from Number 351 – 400                 Answer key: PART 8
PART 9: MCQ from Number 401 – 450                 Answer key: PART 9
PART 10: MCQ from Number 451 – 500                 Answer key: PART 10

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

Series of MCQ in General Engineering and Applied Science

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