Practice Physics Questions and Answers

• Which type of mirror is utilized in solar furnaces to focus sunlight and generate heat?
• What is the SI unit for measuring speed?
• Which physical property causes raindrops to form spherical shapes?
• Among the following, which has the lowest density?
• Which of the following is/are NOT scalar quantities?
• Which statement(s) about solenoids are INCORRECT?
• How does an earphone convert electrical signals into sound?
• Who among the following is credited with the discovery of X-rays?
• What term describes the rate of change of velocity? 
• What is the descending order of these radiations based on their frequencies?
• What component is traditionally used to regulate the speed of a ceiling fan?
• Which medium cannot propagate sound waves?
• Which statement about Cathode Rays is incorrect ?
• What type of image is always formed by a convex mirror?
• Which element is known for its high electronegativity?
• In gymnastics, which event is performed on a large floor mat?
• What is the SI unit for measuring electrical capacitance?
• Among the following materials, which is not an insulator?
• Why does a solid chunk of iron float in mercury but sink in water?
• When two charged bodies are properly connected but do not exchange electric current, it indicates that they have the same _____.
• According to Maxwell’s right-hand thumb rule, the direction of magnetic field lines around a current-carrying wire is indicated by the:
• What Type of Mirror Is Commonly Used as Rear-View Mirrors in Vehicles?
• Which of the following is a vector quantity?
• What is the term for the center of the reflecting surface of a spherical mirror?
• Which color of light experiences the most bending when it passes through a prism and separates from white light?
• What is termed as 'mechanical energy' in physics?
• Which law describes the relationship between electric current and potential difference?
• What term describes the resistance of an object to changes in its state of motion or rest?
• In a coil with n turns, what happens to the induced electromotive force (EMF) if the number of turns is doubled while the magnetic flux remains constant?
• Assess the accuracy of these statements concerning entropy and thermodynamic equilibrium: (I) Entropy measures the disorder or randomness within a system. ...
• Which statement about the properties of light and sound is incorrect? 
• What device is primarily used to convert alternating current (AC) into direct current (DC)?
• What conditions must be met for stationary waves to form?
• Which of the following does NOT exemplify Potential Energy?
• Which statement is true regarding infrasound?
• In which material does sound travel the fastest?
• What characteristic makes metals good conductors of electricity?
• Which metal exhibits the highest electrical conductivity among the following?
• As an air bubble ascends from the bottom of a lake to the surface, what happens to its size?
• What is the minimum escape velocity required for a rocket to leave Earth's gravitational pull?