ap physics 1 MCQ

Test your knowledge with important ap physics 1 MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more ap physics 1 MCQs at Bissoy

• Question below refers to the circuit below:
  ক

  13 ?

  খ

  11 ?

  গ

  8 ?

  ঘ

  6 ?
• A speaker is emitting a sound wave with a wavelength ?. If a person is standing in an adjacent room, which of the following would NOT affect the perceived wavelength of the wave?
  ক

  The person starts running further away from the speaker.

  খ

  The air pressure in the person's room is increased.

  গ

  The temperature in the person's room is increased.

  ঘ

  The person's room is filled with water.
• What happens to the magnitude of the electric force between two opposite charges if the magnitude of each charge is halved and the distance between their centers is halved?
  ক

  It is doubled.

  খ

  It is quadrupled.

  গ

  It is halved.

  ঘ

  It remains the same.
• What is the frequency of the third harmonic standing wave in an open tube with a length of 0.5 m? The speed of sound in the tube is 343 m/s.
  ক

  514.5 Hz

  খ

  1029 Hz

  গ

  2058 Hz

  ঘ

  4116 Hz
• A string of length 2 m that's fixed at both ends supports a standing wave with a wavelength of 0.8 m. What is the harmonic number of this standing wave?
  ক

  3

  খ

  4

  গ

  5

  ঘ

  6
• Which of the following is a true statement about standing waves?
  ক

  Standing waves have zero amplitude at antinodes.

  খ

  Standing waves have maximum amplitude at nodes.

  গ

  Complete constructive interference occurs at nodes.

  ঘ

  Complete destructive interference occurs at nodes.
• The speed of sound in air is 343 m/s. If the wavelength of a certain sound wave is 20.0 cm, what is its frequency?
  ক

  171.5 Hz

  খ

  1,715 Hz

  গ

  3,430 Hz

  ঘ

  17,150 Hz
• A simple pendulum oscillates back and forth with a period of 2 s. What is the length of the string of the pendulum?
  ক

  0.25 m

  খ

  0.5 m

  গ

  1 m

  ঘ

  2 m
• A 3 kg block is attached to a horizontal spring with a force constant of 10 N/m. If the maximum speed of the block is 4 m/s, what is the amplitude of the block?
  ক

  0.55 m

  খ

  1.1 m

  গ

  2.2 m

  ঘ

  4.4 m
• A horizontal spring is attached to a 5 kg block. When the block is pulled 5 cm to the right, the restoring force has a magnitude of 6 N. What is the frequency of the spring?
  ক

  0.32 Hz

  খ

  0.56 Hz

  গ

  0.78 Hz

  ঘ

  0.98 Hz
• Which of the following objects has the greatest rotational inertia?
  ক

  A 1 kg solid ball with radius of 5 cm

  খ

  A 1 kg hollow ball with radius of 5 cm

  গ

  A 5 kg solid ball with radius of 5 cm

  ঘ

  A 5 kg hollow ball with radius 5 cm
• A 5 kg box is connected to a pulley with rope in the diagram shown below. If the radius of the pulley is 0.5 m, what is the torque generated by the box on the pulley?
  ক

  10 N·m

  খ

  25 N·m

  গ

  50 N·m

  ঘ

  75 N·m
• A 50 kg man stands on a scale that measures force in an elevator traveling up with an acceleration of g/4. What will the scale read?
  ক

  375 N

  খ

  500 N

  গ

  575 N

  ঘ

  625 N
• A 3 kg mass with an initial velocity of +3 m/s has a perfectly inelastic collision with a 2 kg mass with an initial velocity of -6 m/s. What is the final velocity after impact?
  ক

  -1.0 m/s

  খ

  -0.6 m/s

  গ

  0.6 m/s

  ঘ

  1.0 m/s
• A 4 kg box is accelerated upwards by a string with a breaking strength of 80 N. What is the maximum upward acceleration that can be applied on the box without breaking the string?
  ক

  2.5 m/s2

  খ

  5.0 m/s2

  গ

  7.5 m/s2

  ঘ

  10 m/s2
• A 2,000 kg car has a head-on collision with a 1,000 kg car. How does the impact force on the heavier car compare with that of the smaller car?
  ক

  The heavier car experiences a greater impact force.

  খ

  The smaller car experiences a greater impact force.

  গ

  Both vehicles experience an impact force with the same magnitude.

  ঘ

  Cannot be determined
• A student presses a 0.5 kg book against the wall. If the µs between the book and the wall is 0.2, what force must the student apply to hold the book in place?
  ক

  0 N

  খ

  15 N

  গ

  25 N

  ঘ

  35 N
• A car initially at rest accelerates linearly at a constant rate for 5 s. If the final speed of the car is 15 m/s, what was the displacement of the car?
  ক

  20 m

  খ

  37.5 m

  গ

  75 m

  ঘ

  150 m
• A cannonball is fired with an initial velocity of 20 m/s and a launch angle of 45° at a wall 30 m away. If the cannonball just barely clears the wall, what is the maximum height of the wall?
  ক

  5.92 m

  খ

  6.34 m

  গ

  7.51 m

  ঘ

  8.32 m
• Which of the following is a true statement regarding the motion of projectiles?
  ক

  The velocity of projectiles is smallest at the apex of the trajectory.

  খ

  All projectiles have zero velocity at the apex of the trajectory.

  গ

  The acceleration of projectiles is greatest at the apex of the trajectory.

  ঘ

  Projectiles have maximum kinetic energy at the apex of the trajectory.
• In which section of the following velocity-versus-time graph is the object slowing down and moving in the negative direction?
  ক

  Section 1

  খ

  Section 2

  গ

  Section 3

  ঘ

  Section 4
• Question below refers to the following scenario:
  ক

  167.2 m

  খ

  169 m

  গ

  170 m

  ঘ

  198.2 m
• If the voltage drop across a 3 ? resistor is 2 V, how long will it take for the resistor to dissipate 100 J of energy?
  ক

  75 s

  খ

  100 s

  গ

  125 s

  ঘ

  150 s
• As a train approaches the next stop, the conductor blows the horn and applies the brakes on the train. What will a person standing at the train stop hear as the train approaches?
  ক

  A decrease in the frequency and an increase in the intensity of the horn

  খ

  An increase in the frequency and a decrease in the intensity of the horn

  গ

  A decrease in both the frequency and intensity of the horn

  ঘ

  An increase in both the frequency and intensity of the horn
• Which of the following statements is FALSE regarding perfectly inelastic collisions?
  ক

  The objects stick together and travel in the same direction.

  খ

  Momentum is conserved.

  গ

  Kinetic energy is conserved.

  ঘ

  The maximum amount of kinetic energy is lost.
• A car with a mass of 1000 kg experiences a frictional force of 3500 N while driving at a constant speed of a 15 m/s. What is the power output of the car's engine?
  ক

  3.5 kW

  খ

  5.25 kW

  গ

  35.0 kW

  ঘ

  52.5 kW
• In which section of the following velocity-versus-time graph is the object speeding up and moving in the negative direction?
  ক

  Section 1

  খ

  Section 2

  গ

  Section 3

  ঘ

  Section 4
• A student lives 1.2 km from school. On a particular day it takes her 10 min to get from home to school. Which of the following must be true about this trip to school?
  ক

  I only

  খ

  II and III only

  গ

  III only

  ঘ

  I, II, and III
• What happens to the electric force between two point charges if the magnitude of both charges is doubled, and the distance between them is halved?
  ক

  The force is halved.

  খ

  The force remains the same.

  গ

  The force is quadrupled.

  ঘ

  The force increases by a factor of 16.
• Question refers to the following figure:
  ক

  increase

  খ

  decrease

  গ

  stay the same

  ঘ

  There is no current, because the circuit is now incomplete.