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 fourth state of matter called?

[A] Solid
[B] Liquid
[C] Gas
[D] Plasma

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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. What is the device used to measure the flow speed of incompressible called as?

[A] Torri-meter
[B] Bernoulli-meter
[C] Hydro-meter
[D] Venturi-meter

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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 happens to a body when its density is greater than the density of the fluid?

[A] it floats
[B] it sinks
[C] it stays at rest
[D] None of the above

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58. What is the relationship between excess pressure and the radius of the bubble?

[A] are equal in value
[B] inversely proportional to each other
[C] directly proportional to each other
[D] no relationship

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59. Which of the following intermolecular forces enables us to write on the blackboard with a chalk?

[A] Cohesive force
[B] Adhesive force
[C] both a and b
[D] None

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60. What is the angle of contact for pure water and glass?

[A] 0°
[B] 30°
[C] 180°
[D] 90°

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