Physics Rainbow is seen after rain because of hanging molecules of water which act as Lenses Slabs Mirrors Prisms Lenses Slabs Mirrors Prisms ANSWER DOWNLOAD EXAMIANS APP
Physics Two stones of different masses are dropped simultaneously from the top of a building Smaller stone reaches the ground earlier Both the stones reach the ground at the same time Depends on the composition of the stone Larger stone reaches the ground earlier Smaller stone reaches the ground earlier Both the stones reach the ground at the same time Depends on the composition of the stone Larger stone reaches the ground earlier ANSWER DOWNLOAD EXAMIANS APP
Physics In which one of the following the phenomenon of total internal reflection of light is used ? Formation of rainbow Working of binoculars Formation of mirage Twinkling of stars Formation of rainbow Working of binoculars Formation of mirage Twinkling of stars ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 2 1.2 1.5 1 2 1.2 1.5 1 ANSWER DOWNLOAD EXAMIANS APP
Physics On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because: mercury is a metal. cohesion of water is greater than its adhesion with glass. density of mercury is greater than that of water. cohesion of mercury is greater than its adhesion with glass. mercury is a metal. cohesion of water is greater than its adhesion with glass. density of mercury is greater than that of water. cohesion of mercury is greater than its adhesion with glass. ANSWER DOWNLOAD EXAMIANS APP
Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 24 36 12 50 24 36 12 50 ANSWER DOWNLOAD EXAMIANS APP
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