Physics The characteristic invalid for heat radiation is that it travels : In a straight line In all directions Heating the medium through which it passes With the speed of light In a straight line In all directions Heating the medium through which it passes With the speed of light ANSWER DOWNLOAD EXAMIANS APP
Physics In a vacuum, all electromagnetic waves have the same Velocity Frequency Wavelenth All listed here Velocity Frequency Wavelenth All listed here ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by Cathode ray oscilloscope P – n junction diode Spectrometer Sonometer Cathode ray oscilloscope P – n junction diode Spectrometer Sonometer ANSWER DOWNLOAD EXAMIANS APP
Physics The reflector of a search light is a : Convex mirror Cylindrical mirror Concave mirror Plane mirror Convex mirror Cylindrical mirror Concave mirror Plane mirror ANSWER DOWNLOAD EXAMIANS APP
Physics We feel cool when we sit near the fan, this is because Fan cools surrounding air. We feel cool when air touches the body. Air vapourises the sweat on our body. Fan gives cool air. Fan cools surrounding air. We feel cool when air touches the body. Air vapourises the sweat on our body. Fan gives cool air. ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of temperature? Fahrenheit Joule Kelvin Celsius Fahrenheit Joule Kelvin Celsius ANSWER DOWNLOAD EXAMIANS APP
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