General Science - Physics MCQs

Physics Objective (Multiple Choice) General Knowledge & General Science Questions & Answers for SSC-CGL, UPPSC, UPSC, NDA, CDS and UPSC Civil Services Prelims Examinations.

51. What is the body called which does not have any tendency to recover its original configuration, on the removal of deforming force?

[A] Perfectly plastic
[B] Perfectly elastic
[C] Perfectly ductile
[D] None of the above

Show Answer

52. Which of the following is the unit of Strain?

[A] Newton
[B] Kg
[C] Watt
[D] None of the above

Show Answer

53. What is the unit of Stress?

[A] N/m
[B] Kg/m
[C] Nm
[D] It has no units

Show Answer

54. Which of the following factors do not affect the value of modulus of elasticity of a body?

[A] Nature of material
[B] Temperature of the body
[C] Length and volume and of the body
[D] None of the above

Show Answer

55. In which form is the work done in stretching a wire stored as?

[A] Kinetic energy
[B] Potential energy
[C] Heat energy
[D] Electrical energy

Show Answer

56. What is the maximum stress after which the wire breaks called as?

[A] Tensile strength
[B] Shear strength
[C] Bulk strength
[D] Hooke’s strength

Show Answer

57. On which of the following factors the breaking stress depends?

[A] Area of cross-section
[B] length of the material
[C] Nature of the material
[D] None of the above

Show Answer

58. What is the order of distance for Vander Wall forces to be active?

[A] 10–6 metre
[B] 10–7 metre
[C] 10–8 metre
[D] 10–9 metre

Show Answer

59. Who invented mercury barometer?

[A] Blaise Pascal
[B] Daniel Bernoulli
[C] Albert Einstein
[D] Evangelista Torricelli

Show Answer

60. What is the S.I unit of Pressure?

[A] N/Kg m2
[B] N/m
[C] N/m3 s
[D] N/m2

Show Answer

Advertisement

Kindly help us to keep GKToday updated and error free. Use this form to report error or outdated information in questions. We shall rectify asap...