JEE Main & Advanced Physics Elasticity Question Bank

done Assertion and Reason Total Questions - 12

• question_answer1)
  Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion          :           The stretching of a coil is determined by its shear modulus. Reason            :           Shear modulus change only shape of a body keeping its dimensions unchanged. 
  A)
  If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer2)
  Assertion          :           Spring balances show correct readings even after they had been used for a long time interval. Reason            :           On using for long time, spring balances losses its elastic strength.
  A)
  If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer3)
  Assertion          :           Steel is more elastic than rubber.  Reason            :           Under given deforming force, steel is deformed less than rubber.
  A)
  If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer4)
  Assertion          :           Glassy solids have sharp melting point. Reason            :           The bonds between the atoms of glassy solids get broken at the same temperature.
  A)
  If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer5)
  Assertion          :           A hollow shaft is found to be stronger than a solid shaft made of same material. Reason            :           The torque required to produce a given twist in hollow cylinder is greater than that required to twist a solid cylinder of same size and material.
  A)
  If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer6)
  Assertion          :           Bulk modulus of elasticity (K) represents incompressibility of the material. Reason            :           Bulk modulus of elasticity is proportional to change in pressure.
  A)
  If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
  If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
  If assertion is true but reason is false. done clear
  D)
  If the assertion and reason both are false. done clear
  E)
  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer7)
  Assertion          :           Strain is a unitless quantity. Reason            :           Strain is equivalent to force.
  A)
  If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
  If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
  If assertion is true but reason is false. done clear
  D)
  If the assertion and reason both are false. done clear
  E)
  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer8)
  Assertion          :           The bridges declared unsafe after a long use. Reason            :           Elastic strength of bridges losses with time.
  A)
  If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
  If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer9)
  Assertion          :           Two identical solid balls, one of ivory and the other of wet-clay are dropped from the same height on the floor. Both the balls will rise to same height after bouncing. Reason            :           Ivory and wet-clay have same elasticity.
  A)
  If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer10)
  Assertion          :           Young?s modulus for a perfectly plastic body is zero. Reason            :           For a perfectly plastic body, restoring force is zero.
  A)
  If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer11)
  Assertion          :           Identical springs of steel and copper are equally stretched. More work will be done on the steel spring. Reason            :           Steel is more elastic than copper.
  A)
  If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
  View Solution play_arrow

• question_answer12)
  Assertion          :           Sterss is the internal force per unit area of a body. Reason            :           Rubber is less elastic than steel.
  A)
  If both assertion and reason are true and the reason is the correct explanation of the assertion. done clear
  B)
              If both assertion and reason are true but reason is not the correct explanation of the assertion. done clear
  C)
              If assertion is true but reason is false. done clear
  D)
              If the assertion and reason both are false. done clear
  E)
              If assertion is false but reason is true. done clear
  View Solution play_arrow