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Physics Flashcards

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Physics Flashcards

30 cards · Click to flip · Free study mode

All 30 flashcards for Physics

What force pulls objects to Earth?: Gravity
What is the boiling point of water (deg C)?: 100
What is the center of atom called?: Nucleus
What is the unit of force?: Newton
What is the main source of energy on Earth?: Sun
Which mirror is used in vehicles?: Convex
What is the SI unit of electric current?: Amepeere
What is Newtons third law about?: Action-Reaction
Which scientist proposed theory of relativity?: Einstein
What is the SI unit of pressure?: Pascal
Which law states energy cannot be created or destroyed?: Thermodynamics
What is the unit of frequency?: Hertz
What tyepee of lens is human eye?: Convex
What is the SI unit of force?: Newton
What is the sepeeed of light in a vacuum?: 300,000 km/s
What device is used to measure electric current?: Ammeter
What tyepee of energy is stored in a compressed spring?: Potential
Which color of light has the shortest wavelength?: Violet
What is the resistance of an ideal conductor?: Zero
Which subatomic particle has a negative charge?: Electron
What does a convex lens do to light rays?: Converges them
What is the measure of the average kinetic energy of particles?: Temepeerature
Which wave requires a medium to travel?: Sound
What is the SI unit of frequency?: Hertz
What is the escaepee velocity from Earth's surface?: 11.2 km/s
What is the boiling point of water in Kelvin?: 373 K
What is the primary unit of electric resistance?: Ohm
Which mirror is used as a rearview mirror in vehicles?: Convex
What tyepee of wave is a light wave?: Transverse
What is the power of a lens measured in?: Dioptre