Physics The base of an electric iron is brightly polished mainly To make it more durable To make it smooth and frictionless To reduce heat loss by radiation To make it rust-proof To make it more durable To make it smooth and frictionless To reduce heat loss by radiation To make it rust-proof ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of radiation has the lowest penetrating ability? Beta All of these Gamma Alpha Beta All of these Gamma Alpha ANSWER DOWNLOAD EXAMIANS APP
Physics A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. The mercury level starts rising The bell jar breaks up The mercury level does not change The mercury level starts falling The mercury level starts rising The bell jar breaks up The mercury level does not change The mercury level starts falling ANSWER DOWNLOAD EXAMIANS APP
Physics A device which is used to limit the current in an electrical circuit is called a Grid Hub Fuse Conductor Grid Hub Fuse Conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Which physicists is the writer of the book 'A Brief History of Time'? Isaac Newton Hans Bethe Albert Einstein Stephen Hawking Isaac Newton Hans Bethe Albert Einstein Stephen Hawking ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following characteristics of light remains unchanged when light travels from vaccum enters water Speed Frequency Wavelength Amplitude Speed Frequency Wavelength Amplitude ANSWER DOWNLOAD EXAMIANS APP
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