Physics

A) gamma rays B) fusion C) X-rays D) nuclear fission Answer: C Explanation: Invisible light of short wavelength and high […]

A) Pulleys lift the material B) Gears store energy C) Wedges cut the material D) An axle produces electricity Answer: […]

A) Panels make sunlight during darkness B) The Sun remains overhead everywhere C) The inverter stores water pressure D) A […]

A) It produces greater turning effect for the same force B) It removes the load's mass C) It changes gravity […]

A) The load loses mass B) The rope creates energy C) The wheel removes weight entirely D) Each segment carries […]

A) It transfers energy at a higher rate B) It has twice the voltage in every circuit C) Its electrons […]

A) Gravity disappears on slopes B) The object becomes lighter in mass C) The force acts over a longer distance […]

A) Voltage creates energy from nothing B) Lower current reduces resistive heating losses C) It makes wire resistance zero D) […]

A) The machine creates extra energy B) Gravity is absent C) Some input energy dissipates through friction and other losses […]

A) The Moon is made of solar panels B) Wind exists only in a vacuum C) Uneven solar heating helps […]