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. Which of the following states of matter has the weakest Intermolecular forces?

[A] Solids
[B] Liquids
[C] Gases
[D] It is same in solids, liquids and gases

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52. In which of the following states of matter the Interatomic or intermolecular distance is fixed?

[A] Solids
[B] Liquids
[C] Gases
[D] Both a and b

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53. What is the name given to the linear strain produced in the direction of deforming force?

[A] Linear strain
[B] Longitudinal strain
[C] Directional strain
[D] Zero strain

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54. What will happen if a wire of length L is cut into two or more parts?

[A] each part can hold half the weight as full length wire
[B] each part can hold the same weight as full length wire
[C] each part can hold twice the weight as full length wire
[D] None of the above

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55. Which of the following is the correct equivalent of 1 atmosphere?

[A] 1 atmosphere = 1.013 × 105Pa
[B] 1 atmosphere = 1.013 × 104Pa
[C] 1 atmosphere = 1.013 × 103Pa
[D] 1 atmosphere = 1.013 × 102Pa

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56. On which of these factors, the buoyancy depends?

[A] Density of the fluid
[B] Volume of the body
[C] Both a and b
[D] None of the above

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57. What is the main cause of capillarity?

[A] difference in weight of fluids
[B] pressure difference
[C] temperature difference
[D] velocity gradient

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58. Which of the following is NOT an example of capillary action?

[A] Rise of ink in the fine pores of blotting paper
[B] soaking of water by a towel
[C] Wood swells in rainy season due to rise of moisture
[D] None of the above

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59. Which is the effect of increase in impurities on the surface tension of the liquid?

[A] It increases
[B] It decreases
[C] It may increase or decrease
[D] No change

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60. Which of the following is the S.I. unit of density?

[A] m-2
[B] m-3
[C] kg m-2
[D] kg m-3

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