Physics If a body moves with a constant speed in a circle No force acts on it No acceleration is produced in it No work is done on it Its velocity remains constant No force acts on it No acceleration is produced in it No work is done on it Its velocity remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Convection and radiation only Conduction and radiation only Conduction and convection only Conduction, convection and radiation Convection and radiation only Conduction and radiation only Conduction and convection only Conduction, convection and radiation ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of a freely falling body is an example of ________ accelerated motion. Uniformly Specially Uniquely Non-uniformly Uniformly Specially Uniquely Non-uniformly ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity "Jerk"? Meter per second square Meter second Meter per second cube Meter per second Meter per second square Meter second Meter per second cube Meter per second ANSWER DOWNLOAD EXAMIANS APP
Physics Which determines the frequency of a sound wave? Medium Amplitude Source Speed Medium Amplitude Source Speed ANSWER DOWNLOAD EXAMIANS APP
Physics An electron microscope gives higher magnification than an optical microscope, because : The electrons have more energy than the light particles The wavelength of electrons is smaller as compared to the wavelength of visible light The velocity of electron is smaller than that of visible light It uses more powerful lenses The electrons have more energy than the light particles The wavelength of electrons is smaller as compared to the wavelength of visible light The velocity of electron is smaller than that of visible light It uses more powerful lenses ANSWER DOWNLOAD EXAMIANS APP