Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 4 T 8 T 2 T 1 T 4 T 8 T 2 T 1 T ANSWER DOWNLOAD EXAMIANS APP
Physics Water is used in car radiator because of its Low boiling point Easy availability Low density High specific heat capacity Low boiling point Easy availability Low density High specific heat capacity ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following has the highest value of specific heat? Water Lead Glass Copper Water Lead Glass Copper ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is a good electrical conductor? Charcoal Diamond Peat Graphite Charcoal Diamond Peat Graphite ANSWER DOWNLOAD EXAMIANS APP
Physics Water pipes in hilly areas often burst on a cold frosty night, because Frost makes the pipes rusty, so they break None of these The material of which pipes are made contracts due to cold and so breaks Water in the pipes freezes and on freezing water expands, so pipes break Frost makes the pipes rusty, so they break None of these The material of which pipes are made contracts due to cold and so breaks Water in the pipes freezes and on freezing water expands, so pipes break ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit visible light ultraviolet light X-rays radio waves visible light ultraviolet light X-rays radio waves ANSWER DOWNLOAD EXAMIANS APP