Physics The oil in the wick of lamp rises due to Force of cohesion Pressure difference Pheonomenon of capillarity Low viscosity of oil Force of cohesion Pressure difference Pheonomenon of capillarity Low viscosity of oil ANSWER DOWNLOAD EXAMIANS APP
Physics Clouds float in the atmosphere because of their Low density Low temperature Low pressure Low viscosity Low density Low temperature Low pressure Low viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? Due to its shape The density of needle is less than that of water Due to surface tension It will remain under the water, when it will displace more water than its weight Due to its shape The density of needle is less than that of water Due to surface tension It will remain under the water, when it will displace more water than its weight ANSWER DOWNLOAD EXAMIANS APP
Physics A spherical ball made of steel when dropped in mercury container Will dissolve in mercury Sink in mercury Will be on the surface of mercury Will be partly immersed mercury Will dissolve in mercury Sink in mercury Will be on the surface of mercury Will be partly immersed mercury ANSWER DOWNLOAD EXAMIANS APP
Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 2.2 km, 0.20 km 1.8 km, 0.15 km 3.3 km, 0.30 km 2.8 km, 0.25 km 2.2 km, 0.20 km 1.8 km, 0.15 km 3.3 km, 0.30 km 2.8 km, 0.25 km ANSWER DOWNLOAD EXAMIANS APP
Physics Why does water tank appear shallower when viewed from the top? Due to total internal reflection Due to refraction Due to diffraction Due to reflection Due to total internal reflection Due to refraction Due to diffraction Due to reflection ANSWER DOWNLOAD EXAMIANS APP