Physics Eclipses occur due to which optical phenomena? Reflection Rectilinear propagation Diffraction Refraction Reflection Rectilinear propagation Diffraction Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper can take higher power than iron Copper is lighter than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper can take higher power than iron Copper is lighter than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron 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 0.33 km 33 km 3.33 km 1200 m 0.33 km 33 km 3.33 km 1200 m ANSWER DOWNLOAD EXAMIANS APP
Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Increase Remain unaffected Decrease Have its shape changed Increase Remain unaffected Decrease Have its shape changed ANSWER DOWNLOAD EXAMIANS APP
Physics Transformer is a device to convert C. to A.C. Low voltage A.C. into high voltage A.C. Low voltage D.C. into high voltage D.C. Mechanical energy into Electrical energy C. to A.C. Low voltage A.C. into high voltage A.C. Low voltage D.C. into high voltage D.C. Mechanical energy into Electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not change with the change of Moisture content in air Wind in the direction of propagation of sound Pressure of air Temperature of air Moisture content in air Wind in the direction of propagation of sound Pressure of air Temperature of air ANSWER DOWNLOAD EXAMIANS APP