Physics What is the minimum distance (in metres) required to hear an echo? 13 17 10 21 13 17 10 21 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Current unloader Voltage unloader Heat protector Surge protector Current unloader Voltage unloader Heat protector Surge protector ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following statements is true when we see ''rainbow' ? We face sun and raindrops In light rainfall, we face Sun The Sun remains behind us and we face raindrops The sky remains clear and the sun is at lower position in the sky We face sun and raindrops In light rainfall, we face Sun The Sun remains behind us and we face raindrops The sky remains clear and the sun is at lower position in the sky ANSWER DOWNLOAD EXAMIANS APP
Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 5 cm 15 cm 20 cm 10 cm 5 cm 15 cm 20 cm 10 cm ANSWER DOWNLOAD EXAMIANS APP
Physics It is more difficult to walk on ice than on a concrete road because There is very little friction between the ice and feet pressing it Ice is soft when compared to concrete None of these There is more friction between the ice and feer There is very little friction between the ice and feet pressing it Ice is soft when compared to concrete None of these There is more friction between the ice and feer ANSWER DOWNLOAD EXAMIANS APP
Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? The liquid boils No change The liquid cools The liquid evaporates The liquid boils No change The liquid cools The liquid evaporates ANSWER DOWNLOAD EXAMIANS APP
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