Physics Rainbow is seen after rain because of hanging molecules of water which act as Mirrors Slabs Prisms Lenses Mirrors Slabs Prisms Lenses ANSWER DOWNLOAD EXAMIANS APP
Physics An object which absorbs all colours and reflects none appears: White Grey Blue Black White Grey Blue Black ANSWER DOWNLOAD EXAMIANS APP
Physics What type of simple machine is an axe? Lever Wedge Both A & B The screw Lever Wedge Both A & B The screw ANSWER DOWNLOAD EXAMIANS APP
Physics The surface tension of water on adding detergent to it No change Becomes zero Decreases Increases No change Becomes zero Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? K1+k2/k1k2 K1k2/k1+k2 2k1k2/k1+k2 None K1+k2/k1k2 K1k2/k1+k2 2k1k2/k1+k2 None ANSWER DOWNLOAD EXAMIANS APP
Physics Electric power is measured in units of Watt Volt Joule Ampere Watt Volt Joule Ampere ANSWER DOWNLOAD EXAMIANS APP