Physics Practice MCQ Page 51

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: 4072   If the temperature of the cold junction of a thermocouple is increased, then the
  1. temperature of inversion is increased
  2. temperature of inversion is lowered
  3. temperature of inversion does not change
  4. neutral temperature changes accordingly
Question: 4166   A body falling freely under gravity travels half its path in the last one second. The total time of fall is approximately
  1. 4.4s
  2. 3.4s
  3. 2.4s
  4. 2.0s
Question: 4167   Which one of the following pairs does not represent quantities of identical dimensions?
  1. angular momentum and Planck's constant
  2. Moment of inertia and moment of a force
  3. work and torque
  4. Impulse and momentum
Question: 4168   A point particle of unit mass is moving in a straight line. Its speeds decreases linearly with time until it comes to rest. Which one of the following statements is wrong?
  1. Force is anti parallel to the particle's motion
  2. force is possibly a constant frictional force
  3. one can not calculate the force from the given data
  4. the slope of the trace is negative.