Physics Water pipes in hilly areas often burst on a cold frosty night, because The material of which pipes are made contracts due to cold and so breaks None of these Water in the pipes freezes and on freezing water expands, so pipes break Frost makes the pipes rusty, so they break The material of which pipes are made contracts due to cold and so breaks None of these Water in the pipes freezes and on freezing water expands, so pipes break Frost makes the pipes rusty, so they break ANSWER DOWNLOAD EXAMIANS APP
Physics The layer of atmosphere used for radio-wave transmission is Stratosphere Ionosphere Troposphere Chromosphere Stratosphere Ionosphere Troposphere Chromosphere ANSWER DOWNLOAD EXAMIANS APP
Physics After removing two electrons from helium atom it become? UV rays X rays Gama particle Alpha particle UV rays X rays Gama particle Alpha particle ANSWER DOWNLOAD EXAMIANS APP
Physics The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ? 24 A 0.41666666666667 8.5 A 24 A 0.41666666666667 8.5 A ANSWER DOWNLOAD EXAMIANS APP
Physics The plastic material commonly used for making gear wheels is Polyesters Bakelit Polystyrene Nylons Polyesters Bakelit Polystyrene Nylons ANSWER DOWNLOAD EXAMIANS APP
Physics We always see the same face of the moon, because It is smaller than the earth It rotates at the same speed as the earth around the sun It takes equal time for revolution around the earth and rotation on its own axis It revolves on its axis in adirection opposite to that ofthe earth It is smaller than the earth It rotates at the same speed as the earth around the sun It takes equal time for revolution around the earth and rotation on its own axis It revolves on its axis in adirection opposite to that ofthe earth ANSWER DOWNLOAD EXAMIANS APP
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