Physics Practice MCQ Page 2

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: 181   One pascal in SI is equal to
  1. one newton metre
  2. one newton metre-1
  3. one newton metre-2
  4. one dyne cm2
Question: 182   One big advantage of the atomic standards of length and time is that
  1. they are of human size
  2. they can be measured with simple equipment
  3. they are natural units
  4. they can be duplicated anywhere
Question: 183   The correct unit of power is
  1. Kilowatt
  2. Dynes
  3. joule
  4. Kilowatt-hour
Question: 184   One Fermi is equal to (in SI)
  1. 10-12 farad
  2. 10-6 Henry
  3. 10 -12 metre
  4. 10 -12 Angstrom
Question: 186   Out of the followings which is not a characteristic of the fundamental units?
  1. they are well defined
  2. they are easily reproductive
  3. they are not related to each other
  4. they do not change with change of conditions as temperature, state of motion, pressure etc.
Question: 187   In S.I System, the correct unit of pressure is
  1. Atmosphere
  2. Pascal
  3. Dynes per square cm
  4. mm of mercury
Question: 188   Choose the physical quantity which is not defined in terms of force per unit area
  1. pressure
  2. stress
  3. strain
  4. young's modulus
Question: 189   A pressure of 106 dynes/cm2 in C.G.S. is equivalent to ... in M.K.S.
  1. 105 N/m2
  2. 104 N/m2
  3. 106 N/m2
  4. 103 N/m2
Question: 190   Given the density of wood is 0.5 gm per c.c. in the C.G.S. system of units. Its value in MKS units is given by
  1. 500
  2. 50
  3. 0.5
  4. 5,000
Question: 191   Which of the following is dimensionally correct?
  1. Pressure = Energy per unit area
  2. Pressure = Energy per unit volume
  3. Pressure = Force per unit volume
  4. Pressure = momentum per unit volume per unit time
Question: 192   Which of the following pairs of physical quantities have identical dimensions?
  1. Moment of a force and Angular Momentum
  2. work and Energy
  3. Torque and Energy
  4. None of these
Question: 193   The quantity e 2/hc , where 'e' is the electronic charge 'h' is the Planck's constant and 'c' is the velocity of light
  1. has the dimension of mass
  2. has the dimension of length
  3. has the dimension of time
  4. is dimensionless

Answers to the questions of Physics on this page

Following list gives the correct choice for the answer of the Physics mcqs.
181 . C       182 . D       183 . A       184 . A       186 . C       187 . B       188 . C       189 . A       190 . A       191 . B       192 . B       193 . D      

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