Physics Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in Convection Both conduction and convection Radiation Conduction Convection Both conduction and convection Radiation Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics Why does a cannon recoil after firing ? Conservation of energy Newton's third law of motion Newton's first law of motion Backward thrust of gases produced Conservation of energy Newton's third law of motion Newton's first law of motion Backward thrust of gases produced ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example of simple harmonic motion? Simple pendulum motion Earth spinning on its axis Motion of a ceiling fan Ball bouncing on floor Simple pendulum motion Earth spinning on its axis Motion of a ceiling fan Ball bouncing on floor ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit visible light radio waves X-rays ultraviolet light visible light radio waves X-rays ultraviolet light ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of radiation has the lowest penetrating ability? All of these Alpha Beta Gamma All of these Alpha Beta Gamma ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? Its energy levels are very close to each other It is very small in size It has only one electron It is highly electropositive Its energy levels are very close to each other It is very small in size It has only one electron It is highly electropositive ANSWER DOWNLOAD EXAMIANS APP
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