Physics Practice MCQ Page 9

Multiple Choice questions for Physics in the sets of 10 each on one page with questions and answers. All sets are useful in the preparation of subject tests for employment or admission.
Question: 284   Let a disc, a cylinder, a solid sphere, and a ring be rolled down in an inclined plane simultaneously. Which will reach first?
  1. disc
  2. cylinder
  3. solid sphere
  4. ring
Question: 285   Which kind of storage device can be carried around?
  1. Floppy disk
  2. Hard disk
  3. System cabinet
  4. Hard disk derive
  5. Floppy disk drive
Question: 286   The maximum value of static friction is called
  1. rolling friction
  2. limiting friction
  3. normal reaction
  4. coefficient of friction
Question: 287   A body in equilibrium may not have
  1. momentum
  2. velocity
  3. acceleration
  4. kinetic energy
Question: 288   A body is said to be perfectly elastic if
  1. it can freely move
  2. its surface is perfectly smooth
  3. it is not affected by external force
  4. it recovers its original shape/size when the deforming force is removed
Question: 289   A 30 kg. block lies on a frictionless table and is connected to a 10 kg block by a rope passing over a frictionless pulley,
  1. the acceleration of the 10 kg block is 9.8 m/s2
  2. both the blocks move with the same velocity
  3. both the blocks are accelerated by the same magnitude
  4. the acceleration acting on 10 kg block is zero
Question: 290   Let us suppose that a block resting on an inclined plane just begins to slide down the plane when the angle of inclination is gradually increased to 30, the coefficient of friction will be equal to
  1. tan 300
  2. cos 300
  3. cot 300
  4. sin 300
Question: 292   Assuming the pulley to be frictionless and mass less, the smallest coefficient of static friction is 0.33 to cause the cylinder to roll. If for the cylinder M=70kg and radius of gyration 400 mm. then
  1. the cylinder will roll down the plane and mass will ascend
  2. the cylinder will move up and the mass will descend
  3. the cylinder will move up and the mass will also move up
  4. none is true
Question: 362   Which of the following pairs have identical dimensions?
  1. work and kinetic energy
  2. Momentum and force
  3. Pressure and surface tension
  4. Momentum of force and angular mementum
Question: 363   If C is proportional to D, then
  1. the product CD is constant
  2. the ration C/D is constant
  3. C is smaller than D
  4. C is larger then D
Question: 364   With the help of dimensions method it can be proved that frequency of a stretched wire
  1. Does not depend on the mass of the wire
  2. Depends on the displacement of the wire
  3. Depends on the mass of the wire
  4. None of these
Question: 365   When a body undergoes an acceleration,
  1. its velocity increases
  2. its speed increases
  3. it falls toward the earth
  4. a force acts upon it

Answers to the questions of Physics on this page

Following list gives the correct choice for the answer of the Physics mcqs.
284 . C       285 . A       286 . B       287 . C       288 . D       289 . C       290 . A       292 . A       362 . A       363 . D       364 . C       365 . D      

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