Quiz for Properties of Matter

Q1: What is the SI unit of surface tension?

A. N/m B. N/m² C. N D. J/m

Q2: Which law explains the rise of liquid in a capillary tube?

A. Hooke’s Law B. Pascal’s Law C. Capillarity Law D. Joule’s Law

Q3: Young’s modulus is defined as?

A. Stress/Strain B. Strain/Stress C. Force × Area D. Strain × Area

Q4: What is the bulk modulus of a perfectly incompressible fluid?

A. Zero B. Infinite C. One D. Negative

Q5: Which of the following is a scalar quantity?

A. Shear stress B. Tensile strain C. Pressure D. Force

Q6: In streamline flow, which physical quantity remains constant along a streamline?

A. Velocity B. Pressure C. Bernoulli’s constant D. Density

Q7: Which of the following quantities has the same unit as pressure?

A. Stress B. Strain C. Viscosity D. Surface Tension

Q8: Poise is the unit of?

A. Viscosity B. Stress C. Surface tension D. Pressure

Q9: Which law states that the volume of a liquid decreases with increase in pressure?

A. Archimedes’ Law B. Boyle’s Law C. Hooke’s Law D. None of these

Q10: Strain is a...

A. Vector quantity B. Scalar quantity C. Tensor quantity D. None of these

Q11: What happens to surface tension with increase in temperature?

A. Increases B. Decreases C. Remains constant D. First increases then decreases

Q12: Which factor does not affect viscosity?

A. Temperature B. Nature of liquid C. Container shape D. Impurities

Q13: Stoke is the unit of?

A. Surface tension B. Viscosity C. Kinematic viscosity D. Pressure

Q14: What is the cause of capillary action?

A. Cohesive forces B. Adhesive forces C. Gravitational force D. Both A and B

Q15: The modulus of rigidity is also called?

A. Young’s Modulus B. Shear Modulus C. Bulk Modulus D. Elastic Modulus

Q16: What is the dimensional formula of stress?

A. MLT⁻² B. ML⁻¹T⁻² C. ML⁻²T⁻² D. M⁻¹L⁻¹T⁻²

Q17: Which of the following substances has the highest surface tension?

A. Water B. Mercury C. Alcohol D. Oil

Q18: The height of liquid in a capillary is inversely proportional to?

A. Surface tension B. Radius of tube C. Density of liquid D. Acceleration due to gravity

Q19: SI unit of Young’s modulus is?

A. Pascal B. Newton C. Dyne D. Joule

Q20: If the length of a wire is doubled, then the strain is?

A. Halved B. Doubled C. Remains same D. Becomes zero