Math & Physics MCAT Practice Questions
743 free Math & Physics MCAT-style practice questions, covering topics like Kinematics & Dynamics, Work and Energy, Thermodynamics, Fluids, Electrostatics and Magnetism, Circuits, and more.
What role does surfactant play in the physiology of the respiratory system?A block is sliding down a frictionless incline. What can be said about the components of the block's weight parallel…A psychologist is interested in studying the effect of a new therapy on reducing anxiety levels. Anxiety scores are measured…A 10-kilogram object is subjected to a constant force of 20 Newtons in the positive x-direction. If the object starts…A pipe has a length of 4 meters and a diameter of 0.1 meters. If water flows through the pipe…In a nuclear decay series, what is the name given to the initial radioactive isotope that undergoes decay?If the pressure of a gas is doubled while its volume is kept constant, what happens to its temperature?If an ammeter has a resistance of 0.1 ohms and is placed in a circuit with a current of 5…In the electromagnetic spectrum, which type of radiation has the highest energy per photon?An ideal gas is compressed isothermally to one-half of its initial volume. Subsequently, it is allowed to expand adiabatically back…A positively charged particle is released from rest in an electric field. As it moves along an equipotential surface, which…Research Misconduct:A physics researcher fabricates data to support a hypothesis in a study examining the properties of a newly discovered…A conducting sphere is connected to the ground and then brought close to a negatively charged rod. What happens to…A laser beam with a wavelength of 500 nm passes through a narrow slit of width 0.1 mm. If the…A particle moves along a straight line with a constant acceleration of 4 m/s24 m/s2. If its initial velocity is…A team of researchers is conducting a study to investigate the relationship between the concentration of a drug and its…A capacitor is connected to a battery, and it begins to charge. What happens to the current in the circuit…A gas is compressed adiabatically. What can be said about the heat (*Q*) exchanged during this process?A solid object is submerged in a fluid. What happens to the buoyant force when the object is moved to…In a physiological context, how does the circulatory system compensate for changes in blood pressure when a person stands up…If a concave mirror has a focal length of 15 cm, where should an object be placed to form a…A 3 kg block is placed on a frictionless inclined plane with an angle of 30 degrees. What force parallel…In a circuit with a capacitor and a resistor in parallel, what happens to the total capacitance if the capacitance…A convex lens with a focal length of 10 cm is placed in water (n = 1.33). If an object…A gas in a container has a pressure of 2 atm at 273 K. If the temperature is doubled while…An object moves with a constant velocity of 8 m/s for 40 seconds. What is the displacement of the object…A block is sliding down an inclined plane with an angle of 30 degrees. If the gravitational acceleration is 9.8…A negatively charged balloon is brought near a neutral wall. What happens to the electrons in the wall?A researcher is conducting a study to investigate the effects of a new drug on a specific medical condition. To…When an electron transitions from a higher energy level to a lower one, which of the following is true about…A solid object is submerged in a fluid. What happens to the buoyant force when the object is fully immersed…A circuit has a resistor with a resistance of 10 ohms, and a current of 2 A is flowing through…A 2 kg block is initially at rest on a frictionless horizontal surface. A force of 10 N is applied…A researcher wants to investigate the effect of a new drug on blood pressure. The dependent variable in this study…In a horizontal pipe, water is flowing steadily. If the pipe narrows, what happens to the water velocity and pressure?A charge of -3 μC is placed at a point in an electric field. If the electric potential at that…A system undergoes an isochoric process. What can be said about the work (W) done by the system?If a resistor has a voltage of 12V across it and a current of 2A flowing through it, what is…A 0.2 kg object is lifted vertically by 5 meters. What is the gravitational potential energy gained by the object?If an object is thrown vertically upward, what is the sign of its acceleration during the upward motion?A car is moving along a straight road. If the net force acting on the car is doubled while the…If force of 10 N is applied to an object with a mass of 2 kg, what is the acceleration…Which part of the ear is responsible for amplifying sound waves?A psychology researcher is conducting a study to investigate the effects of a new therapy on patients with anxiety disorders.…Which of the following processes is responsible for the broadening of spectral lines in the absorption and emission spectra of…A car accelerates uniformly from rest for 10 s and covers a distance of 400 m. What is its acceleration?In a circuit with a capacitor and a resistor in series, what happens to the time constant (τ) if the…Two point charges, +Q and -2Q, are separated by a distance 'd'. If the distance between the charges is doubled…A fluid flows through a pipe of varying cross-sectional area. Which of the following statements about the fluid's velocity and…Consider a parallel circuit with two resistors, R1 and R2. If R1 = 20 ohms and R2 = 30 ohms,…