Practice Physics GS Questions and Answers

• In which direction does torque act?
• Which type of mirror is used in car headlights?
• What is the value of acceleration due to gravity at the center of the earth?
• What does the slope of a velocity-time graph represent?
• Which law states that internal energy is a function of state and the increase in internal energy equals the sum of heat supplied to the system and work don...
• The velocity of heat radiation in a vacuum is?
• The energy emitted by the Sun is primarily due to what process?
• The magnetic equator is closely associated with which of the following?
• Which quantity has the same dimensional formula as impulse?
• Boyle’s Law is applicable to gases under which conditions?
• What is inertia?
• Which instrument is primarily used to measure the relative density of liquids by utilizing the principle of buoyancy?
• Which instrument is used to measure the moisture content in the air?
• Which of the following is a characteristic of sound waves?
• Bernoulli's Principle is derived from which fundamental law?
• Which law describes the relationship between the force applied to a spring and its extension or compression?
• What are the dimensions of the coefficient of viscosity?
• What is the unit of the refractive index?
• The unit 'Weber' is associated with which of the following?
• When is the magnetic field strength considered strongest?
• Where is the magnetic force of a bar magnet the strongest?
• When a passenger in a moving bus is suddenly thrown forward when the bus stops, this is explained by:
• How long does an image remain on the retina after the object is removed?
• Which phenomenon does a hologram use to create an image?
• According to Kepler’s third law of planetary motion, the square of the orbital period of a planet is proportional to the __________.
• What is the work done by a centripetal force on an object moving in a circular path at constant speed?
• What type of rays are used in a CT scan to visualize the internal structures of the human body?
• Match the following machines with their working principles: (i) Electric motor -  (a) Heat energy into mechanical energy (ii) Steam engine -  (b) Electri...
• If the Earth stopped rotating, what would happen to the apparent value of gravity (g) at different locations?
• What process causes white light to split into its constituent colors?
• Why does a lemon appear larger when viewed from the side of a glass of water?
• What is the electrical charge of a neutrino?
• Newton’s second law of motion primarily explains which of the following?
• Which of the following is not a recognized type of inertia?
• The pitch of a sound is primarily determined by which of the following?
• What is the SI unit of magnetic flux?
• When white light passes through a glass prism, which color deviates the least?
• The polarization of electromagnetic waves demonstrates that they are:
• When an electric current flows, electrons move from:
• In an electric motor, energy is transformed from: