Physics Rolling friction is caused by ________ Buoyancy Power dissipation Non-elastic effects Gravity Buoyancy Power dissipation Non-elastic effects Gravity ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of water in the sea is due to Reflection of blue sky by sea water Absorption of other colours except blue by water molecules Scattering of blue light by water molecules Reflection of blue light by impurities in sea water Reflection of blue sky by sea water Absorption of other colours except blue by water molecules Scattering of blue light by water molecules Reflection of blue light by impurities in sea water ANSWER DOWNLOAD EXAMIANS APP
Physics The angle between the ________ and the incident ray is called the angle of incidence. Tangent Reflected ray Normal Surface Tangent Reflected ray Normal Surface ANSWER DOWNLOAD EXAMIANS APP
Physics One thousand microns is equal to 10-12m 10-3m 10-6m 10-9m 10-12m 10-3m 10-6m 10-9m ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirrors are used as a rear view mirror in motor cycles because It forms erect (upright) image All of these It forms smaller image as compared with object It forms real image It forms erect (upright) image All of these It forms smaller image as compared with object It forms real image ANSWER DOWNLOAD EXAMIANS APP
Physics If the phase difference between two points is 120° for a wave with velocity of 360 m/s and frequency 500 Hz, then path difference between the two points is 1 cm 6 cm 12 cm 24 cm 1 cm 6 cm 12 cm 24 cm ANSWER DOWNLOAD EXAMIANS APP
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