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9th Grade > Physics

MATTER PROPERTIES PHYSICS MCQs

Total Questions : 90 | Page 3 of 9 pages
Question 21. The ratio of stress to tensile strain is called
  1.    Pascal's modulus
  2.    Young's modulus
  3.    Newton's modulus
  4.    Charle's Law
 Discuss Question
Answer: Option B. -> Young's modulus
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 22. The SI unit of power is Young's modulus is
  1.    Nm-3
  2.    Nm4
  3.    Nm-2
  4.    Nm-1
 Discuss Question
Answer: Option C. -> Nm-2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 23. The density of mercury is
  1.    13.6 times of water
  2.    12 times of water
  3.    10 times of water
  4.    20 times of water
 Discuss Question
Answer: Option A. -> 13.6 times of water
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 24. In SI units, the unit of pressure is
  1.    Pa
  2.    pi
  3.    omega
  4.    newton
 Discuss Question
Answer: Option A. -> Pa
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 25. The maximum limit up to which stress is applied on the body without deformation is called
  1.    limit
  2.    elastic limit
  3.    strain
  4.    torque
 Discuss Question
Answer: Option B. -> elastic limit
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 26. A floating object displaces a fluid having a weight equal to the weight of the object as per the
  1.    principle of floatation
  2.    Einstein principle
  3.    Pascal's principle
  4.    Newton's principle
 Discuss Question
Answer: Option A. -> principle of floatation
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 27. The matter whose molecules have random motion and move with very high velocities is
  1.    gas
  2.    plasma
  3.    solids
  4.    liquid
 Discuss Question
Answer: Option A. -> gas
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 28. Stone, metal spoon, pencil are examples of
  1.    liquids
  2.    gases
  3.    solids
  4.    plasma
 Discuss Question
Answer: Option C. -> solids
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 29. The up thrust of water acting on a wooden cube of sides 10cm immersed completely in water is
  1.    5 N
  2.    10 N
  3.    3 N
  4.    2 N
 Discuss Question
Answer: Option B. -> 10 N
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 30. The property of a body to restore its original size and shape as the deforming force ceases to act is called
  1.    energy
  2.    floating
  3.    elasticity
  4.    density
 Discuss Question
Answer: Option C. -> elasticity
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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