Physics The speed of light in air is 8 × 103 m/s Infinity 3 × 10–8 m/s 3 × 108 m/s 8 × 103 m/s Infinity 3 × 10–8 m/s 3 × 108 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics The metal used to make lightning conductors is Zinc Iron Copper Aluminium Zinc Iron Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Physics An aeroplane is flying horizontally with a velocity of 600 km/h and at a height of 1960 m. When it is vertically at a point A on the ground a bomb is released from it. The bomb strikes the ground at point B. The distance AB is 33 km 1200 m 3.33 km 0.33 km 33 km 1200 m 3.33 km 0.33 km ANSWER DOWNLOAD EXAMIANS APP
Physics Which compressor is usually used in AC? Centrifugal Reciprocating Axial Rotary Centrifugal Reciprocating Axial Rotary ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction, convection and radiation Conduction and convection only Conduction and radiation only Convection and radiation only Conduction, convection and radiation Conduction and convection only Conduction and radiation only Convection and radiation only ANSWER DOWNLOAD EXAMIANS APP
Physics What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero? None of these Increases exponentially Becomes zero Remains constant None of these Increases exponentially Becomes zero Remains constant ANSWER DOWNLOAD EXAMIANS APP
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