HSC Physics Practice Exam

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• Which sensitive device measures current using the motor effect in its operation?
• What are circular currents induced in a conductor placed in a changing magnetic flux called?
• What are the conductors that provide electrical contact to the moving parts of an electric motor called?
• What does the term 'endoscopy' refer to?
• Which rule allows the direction of force on a current-carrying wire to be determined?
• Which law states that an induced emf produces a magnetic field opposing the change that induced it?
• What is defined as the region of space where a mass experiences gravitational attraction?
• What is a Cooper pair?
• What aspect of radiation is measured in Hertz?
• What physical principle explains why the twin paradox occurs?
• What describes the spontaneous breakdown of an atom?
• What is the term for acceleration directed towards the center of a circle?
• What law states that two or more masses attract each other?
• What type of radiation includes visible light, radio waves, and X-rays?
• What force is required for an object to travel in a circular path?
• Induction heating is primarily based on the principle of which electromagnetic phenomenon?
• What does the term 'c' refer to in physics?
• Quantum physics is fundamental in understanding which two major physical theories?
• In a magnetic field, a conductor carrying current will experience what type of action?
• What is the approximate speed of light in a vacuum?
• Which technology allows light to travel through fine glass tubes as a result of total internal reflection?
• What term describes objects or coordinate systems used for taking measurements?
• What is the purpose of using Lorentz transformations in physics?
• Which of the following characteristics is true of black bodies?
• What does the ratio of turns in the primary coil to the turns in the secondary coil represent?
• What device is used to reverse the direction of current in DC motors?
• Which type of wire is characterized by high electrical resistance and heats up when current passes through it?
• What can be identified as the underlying principle behind the functioning of diodes and transistors?
• Which property of sound waves allows them to visualize internal organs and tissues during ultrasound imaging?
• Which principle states that no two electrons in an atom can have the same set of quantum numbers?
• What term is used to describe the increase in mass of an object as it approaches the speed of light according to a stationary observer?
• Which of the following does NOT describe the principle of Faraday's law?
• What term is used to describe lines that represent the direction and strength of electric or magnetic fields?
• What term describes the region in which an electric charge experiences an electric force?
• What scientific contribution did Thomson make to atomic theory?
• What is the term for the stationary part of an electric motor or generator?
• What is the primary use of imaging technologies such as X-rays, MRI, and ultrasound?
• What is escape velocity?
• Which paradox involves one twin traveling in space while the other remains on Earth?
• What type of frame of reference is considered to be at rest or moving with a constant velocity?
• Which theory describes the relationship between space, time, and matter?
• What type of motion is influenced only by a vertical force and analyzed in horizontal and vertical components?
• What constitutes the field structure in motors and generators?
• Which of the following is restricted to inertial frames of reference?
• What device uses current carrying coils placed under metal saucepans to induce heat for cooking?
• What type of experiments are conducted entirely in a person's mind, often utilized by Einstein?
• What is a positron?
• Gamma rays are best described as:
• What bone disease is characterized by decreased bone mass and an increased risk of fractures?
• Which devices convert electrical energy into mechanical energy?
• Who is the physicist known for his contributions to both relativity and the photoelectric effect?
• What component allows current to be supplied to an AC motor?
• What type of radiation is emitted during radioactivity?
• What is the laminated soft iron component in an electric motor or generator called?
• What is created when current is moving in a circular path?
• What does the term "relativistic" typically refer to in the context of physics?
• What did Planck propose about light in 1900 to explain experimental results?
• What is the unit of magnetic flux?
• Which radioisotope is frequently used in medical diagnostics and has a half-life of 6 hours?
• Who was the German physicist that first demonstrated the existence of electromagnetic waves?
• What is the role of gravity in circular motion of satellites?
• What type of imaging technique is used primarily for viewing soft tissues within the body?
• How is the torque developed in an AC induction motor?
• What phenomenon produces induced current or voltage?
• What term refers to the area surrounding a magnet where magnetic forces can be observed?
• What primarily differentiates solid state devices from older technologies?
• What type of transformer produces a secondary voltage that is lower than the primary voltage?
• Which devices assist in observing internal organs and obtaining tissue samples for biopsy?
• What phenomenon occurs when satellites re-enter the Earth's atmosphere and burn up due to friction?
• What happens when electrons collide with the target in an X-ray machine?
• What type of device converts DC electrical energy into mechanical energy?
• What is the term for orbits where the satellite has a period of 24 hours?
• What is the movement of charge carried by electrons in metal conductors and holes in semiconductors called?
• What phenomenon occurs when a wave spreads into the geometric shadow of an object?
• What is defined as the distance that light travels in a vacuum in 1/299792458 of a second?
• What phenomenon explains the change in sound frequency related to the motion of a source or observer?
• What concept uses time dilation to enable travel to distant planets?
• What does the charge to mass ratio for charged particles, measured by Thomson, help to identify?
• In physics, what does 'g' represent?
• What phenomenon is exhibited when electrons pass through a crystal lattice due to their wave nature?
• Which phenomenon refers to the emission of electrons from a metal when it absorbs light?
• What type of sound has frequencies greater than 20,000 Hz and is utilized in medical imaging?
• What type of waves are produced by charges oscillating in conductors, such as radio antennae?
• What phenomenon describes the apparent contraction of an object's length in the direction of motion as observed by a stationary observer?
• What constant is used in Newton's Law of Universal Gravitation?
• What is the work done to move an object in a gravitational field called?
• What describes the attractive force as being measured on Earth?
• What measures the number of flux lines threading through a given area?
• Which technique uses high-frequency sound waves for non-invasive body imaging?
• What device allows the manipulation of charged particles by electric and magnetic fields?
• Which concept is directly associated with the equation E=hf?
• Which device is typically placed in series to manage the initial current flow in motors?
• Which component is typically found in the rotor of a motor or generator?
• What type of physics deals with the quantization of energy and light?
• What devices convert one type of energy into another, often used in medical technologies?
• What is the name of the quantum bundle of energy associated with light?
• What technology uses optic fibers for internal examination of the body?
• What term describes the path followed by a projectile in motion?
• What equation relates energy and frequency for a photon?
• What effect does torque have on a spinning object?
• What is formed when X-rays expose a photographic plate?
• What is the term for the rotating part in an electric motor or generator?
• What term describes the time it takes for half the given mass of a radioactive element to change into a new element?
• What fundamental speed is the speed of light in a vacuum, often abbreviated in discussions of relativity?
• What does a crystal lattice refer to?
• What is the primary function of a step-up transformer?
• What do high energy photons emitted during radioactive decay signify?
• What is defined as the motion of an object in a circular path at constant speed?
• What is the primary component of an X-ray machine that produces a beam of electrons?
• What is the phenomenon called when simultaneous events for one observer are not simultaneous for another observer?
• What phenomenon describes the complete reflection of light at a boundary under specific conditions?
• Which subatomic particles are negatively charged and found in all neutral atoms?
• What describes electric current that periodically reverses direction?
• What type of radiation is emitted by a black body?
• What is the term used for the phenomenon when thermal energy causes electrons to be emitted from a material?
• What type of transformer decreases the voltage from primary to secondary coil?
• In what part of an electric motor does the induced current flow?
• What was the name of the experiment that aimed to measure the speed of the Earth through the aether, ultimately leading to Einstein's Theory of Special Relativity?
• What are optical fibres primarily used for?
• What electrical device transfers voltages from one circuit to another with a change in voltage?
• What are electromagnetic waves composed of?
• What are g-forces measured in relation to?
• What range of altitude do Low-Earth orbits typically cover above the Earth's surface?
• Which process refers to medical imaging techniques like MRI or X-rays?
• What is the term for the return of a space craft into Earth's atmosphere and descent?
• What type of magnetic field is produced by field coils in a typical AC induction motor?
• In solids, what defines the spread of energies of large numbers of electrons in matter over two bands?
• What symbol represents Planck's constant?
• What device produces a narrow beam of electrons in a cathode ray tube by thermionic emission?
• Which of the following best describes 'Optical fibres'?
• According to Faraday's law, what is the induced emf proportional to?
• What is a discharge tube used for?
• What describes the area of influence surrounding a charge that is uniform between two plates?
• What physical property do X-rays and light waves share?
• Which experiment attempted to detect the existence of "aether wind"?
• Which type of orbit allows a satellite to appear stationary above the same point on Earth?
• What occurs when some electrons gain sufficient energy to escape their bonds, leaving behind holes?
• What involves converting mechanical energy into electrical energy through relative motion in a magnetic field?
• What property describes the measure of intrinsic angular momentum in particles?
• What does the term 'Magnetic flux' refer to?
• Which scientific concept was significantly influenced by Max Planck's theories?
• What equation represents the gravitational potential energy of two masses?
• In what frequency range do radio frequencies occur?
• What method allows spacecraft to gain speed using the gravity of planets?
• What law does black body radiation obey?
• What is the process called that involves transferring electricity from power stations to consumers at high voltages?
• What is defined as the force on an object due to its presence in a gravitational field?
• What hypothetical fluid was proposed to permeate all space for the propagation of electromagnetic waves?
• Which aspect of relativity states that the laws of physics are the same for all inertial observers?
• Which concept explains why a magnetic field opposes changes in current?
• Which type of AC motor is most commonly used?
• What is the function of a cathode in an electron tube?
• What term describes the number of flux lines that are perpendicular to the magnetic field per unit area?
• Which of the following describes the nature of electromagnetic radiation?
• What is the term for the measure of the turning effect of a spinning charge in a magnetic field?
• What forms when a coil moves relative to a magnetic field?
• What distinguishes general relativity from special relativity?
• What characteristic regarding spin describes fundamental particles?
• What phenomenon allows electric motors to convert electrical energy into mechanical energy?
• Which class of electronic devices has largely replaced thermionic devices?
• What is the purpose of a shield wire in transmission lines?
• Which concept states that mass and energy are interchangeable forms of the same concept?
• The ratio of charge to mass of an electron is commonly referred to as what?
• What measurement unit is commonly used for acceleration in relation to gravity?
• What term refers to the path followed by an object moving in space?
• Which medical treatment utilizes radioisotopes to target and kill cancer cells?
• Which German scientist is credited with the discovery of quantum theory through his work on black body radiation?
• What is the term for an elemental unit of energy?
• What type of waves are produced by bombarding a tungsten target with electrons?
• What is a black body in physics?
• Which scanning technique utilizes ionizing radiation to create detailed images of body structures?
• Which property allows certain materials to attract iron objects?
• What is the definition of torque?
• What do we call devices that convert mechanical energy into electrical energy?
• What component is typically found in a generator that allows current to be transferred outside of the device?
• What is the term for the various techniques used to create internal images of the human body?
• What does the principle of simultaneity challenge in relativity theory?
• Which technique is used to produce images of tissues inside the body using radio frequency energy and strong magnetic fields?
• What phenomenon occurs when a system absorbs energy at its natural frequency?
• What is an object called when it is moving solely under the influence of gravity?
• What is the primary function of brushes in an electric motor?
• What component is added in series with a motor to limit the current during startup?
• What term describes the acceleration due to gravity?
• What describes the process of conduction in metals?
• How does sympathetic vibration occur within a system?
• What effect describes the apparent change in frequency when there is relative motion between a source of sound and an observer?
• What term describes isotopes that emit radiation and can be used in medical imaging?
• What is precession in terms of a spinning object?
• What is the purpose of a split ring commutator in a DC motor?
• Which term best describes forces that are not due to physical interactions but are considered in accelerating frames of reference?
• In what setting might eddy currents be particularly useful?
• What term describes the induced emf that opposes the applied emf in an electric circuit?
• What phenomenon occurs when time in a moving frame appears to be slower relative to a stationary observer?
• What effect is demonstrated when a current-carrying conductor experiences a force in a magnetic field?
• In what type of frame of reference do inertial (or fictitious) forces appear to be present?
• What effect does gravity have on the motion of a spacecraft according to the slingshot effect?
• Which of the following is the unit of frequency, defined as one cycle per second?
• What role do cathode ray tubes play in physics?
• What is a key characteristic of osteoporosis?
• What type of energy conversion is primarily utilized by an electric motor?
• What type of current flows in only one direction?
• Which imaging technique utilizes short-lived radioisotopes produced in accelerators?
• What happens to the electrons in a superconductor?
• What term describes the force of attraction between two or more masses?
• What is the significance of a crystal lattice in materials science?