Physics

Practice free chapter-wise Physics MCQs for MDCAT with updated quizzes, detailed explanations, and PMDC syllabus-based questions to improve your medical entry test score.

High-Yield MDCAT Physics Measurement MCQs 3

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High-Yield MDCAT Physics Measurement MCQs 3

Master MDCAT Physics Measurement MCQS Chapter 1 with 20 high-yield practice MCQs covering percentage errors, dimensional analysis, uncertainties, and unit conversions. MDCAT physics measurement MCQs questions with solutions, how to solve percentage uncertainty in simple pendulum MDCAT, high-yield physics MCQs for medical entry test, Dimensions of resistance and gravitational constant physics, Difference between systematic error and random error MDCAT. Let us start with the online MDCAT Physics Measurement MCQs now.

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Online High-Yield MDCAT Physics Measurement MCQs

  • While measuring the acceleration due to gravity by a simple pendulum, a student makes a positive error of 1% in the length of the pendulum and a negative error of 1.5% in the value of the time period. His percentage error in the measurement of $g$ by the relation $g=4\pi^2 (I/T^2)$ will be
  • The dimensions of $\frac{1}{2} at^2$ are of
  • The value of acceleration due to gravity is $9.8m/s^2$. Its value in $Km/min^2$ will be
  • If the length of rod A is $3.25\pm 0.01 cm$ and that of B is $4.19\pm 0.01 cm$, then rod B is longer than rod A by
  • If $M$ is the mass of Earth and R its Radium, the ratio of the gravitational acceleration to the gravitational constant is
  • The dimension of resistance is
  • The least count of a stopwatch is 0.10sec. The time of 20 vibrations of a pendulum is 40sec. The maximum possible percentage uncertainty in the time period is
  • Accuracy of measurement is determined by
  • The unit of percentage error is
  • The most accurate measurement out of the following is
  • Out of the following pairs, which one does not have identical dimensions
  • $v=\sqrt{\frac{E}{\rho}}$, if percentage uncertainty in $v=2$% and in $\rho=4$% then percentage uncertainty in $E$ is
  • The physical quantities not having the same dimensions are
  • To reduce the timing uncertainty, it is advisable to
  • Which one of the following about systematic error is incorrect?
  • 99.97 rounded off to three significant figures would give
  • Which of the followings measurements is more accurate? $M_1=1.0cm \pm 0.1cm$, $M_2=0.10cm \pm 0.01cm$, and $M_3=0.100cm \pm 0.001cm$
  • The distance $x=x_2-x_1$ determined by the difference between two separate position measurements $X_1=12.2\pm0.2cm$ and $X_2=16.2\pm0.1cm$ is recorded as
  • Three students measured the length of the same needle. Student A measured with a micrometer screw gauge, B with vernier callipers, and C with a meter rod. Which would have greater experimental accuracy in the result?
  • Which of the following are base units of pressure?
High Yield MDCAT Physics Measurement MCQs

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MDCAT Physics MCQs: Measurements and Units Quiz 2

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Test your entry test prep with 20 high-yield MDCAT Physics MCQs on Measurements. Master SI units, dimensional analysis, percentage errors, significant figures, unit conversions, uncertainties, dimensions, and instrument readings today! Let us start with the online MDCAT Physics MCQs now

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MDCAT Physics MCQS: Measurements and Units Quiz with Answers

  1. Identify the pair that has different dimensions
  2. The dimension of $\frac{1}{\sqrt{\mu \varepsilon}}$ is that of
  3. Which property of a solid object cannot be changed by the application of force?
  4. Out of the following quantities, which one has dimensions different from the remaining three
  5. If $v$ denotes the potential difference across the plates of a capacitor of capacitance $c$, the dimensions of $CV^2$ are
  6. Absolute uncertainty in a measurement depends upon
  7. Which of the following is dimensionally correct?
  8. Which of the following systems of units is not based on units of mass, length, and time alone?
  9. Which does not have the same unit as the others
  10. Length cannot be measured by
  11. The SI unit of gravitational potential is
  12. Dyne/ cm$^2$ is not a unit of
  13. Which of the following is a derived unit
  14. Which of the following is not a correct representation method for prefixes?
  15. What is the SI unit of permeability?
  16. What is the reading shown on this milliammeter?
  17. The velocity of a particle depends upon $v=a+bt+ct^2$; if the velocity is in m/ sec, the unit of $a$ will be
  18. The product of energy and time is dimensionally the same as the product of
  19. If 97.52 is divided by 2.54, the correct result in terms of significant figures is
  20. The pressure on a square plate is measured by measuring the force on the plate and the length of the sides of the plate. If the maximum error in the measurement of force and length are respectively 4% and 2%, the maximum error in the measurement of pressure is
MDCAT Physics MCQs: Measurements and Units Quiz

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Physical Quantities Units & Dimensions Quiz 1

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Ace your entry test with this targeted MDCAT Physics practice quiz covering Physical Quantities Units & Dimensions and Measurements. Test your understanding of dimensional analysis, measurement uncertainties, significant figures, and fundamental SI units with exam-standard MCQs designed for FSC Pre-Medical and MDCAT aspirants. Let us start with the Online Physical Quantities Units & Dimensions Quiz now.

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Physical Quantities Units & Dimensions Quiz (MDCAT Physics Test)

  1. Which one of the following is not an interdisciplinary area of physics?
  2. At present, the number of main frontiers of fundamental science is
  3. With the help of which one of the following waves was the Big Bang theory proved?
  4. An ideal standard has two principal characteristics. It is
  5. The physical quantity which can be written in terms of just two different SI base units
  6. $MLT^{-1}$ are the dimensions of
  7. The dimensions of impulse are the same as those of
  8. The dimensional formula for G is
  9. If L and R represent inductance and resistance respectively, then the dimensions of L/R are
  10. The ratio of dimensions of angular momentum to the dimensions of linear momentum is/are the dimension(s) of
  11. Which of the following is a dimensionless quantity?
  12. The fundamental physical quantity/ quantities have the same powers in the dimensional formulae of torque and angular momentum
  13. A precise measurement is one which has
  14. A student takes 100 observations in an experiment. The second time he takes 500 observations in the same experiment. By doing so, the possible error becomes
  15. The density of a liquid is $13.6 g cm^{-3}$. Its value in SI units is
  16. The density of a cube is measured by measuring its mass and the length of its side. If the maximum errors in the measurement of mass and length are 3% and 2%, respectively, then the maximum error in the measurement of density is
  17. If the error in the measurement of the radius of a circle is 1%, then the error in the measurement of its area will be
  18. The radius of a wire is 0.24 mm. Then its area of cross-section, considering significant figures, is
  19. The length, breadth, and thickness of a block are measured to be 50 cm, 2.0 cm, and 1.00 cm. The percentage error in the measurement of volume is
  20. Which of the two has the same dimensions?
Physical Quantities Units & Dimensions Quiz

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