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? 2.8 km, 0.25 km 3.3 km, 0.30 km 1.8 km, 0.15 km 2.2 km, 0.20 km 2.8 km, 0.25 km 3.3 km, 0.30 km 1.8 km, 0.15 km 2.2 km, 0.20 km ANSWER DOWNLOAD EXAMIANS APP
Physics Transformer is a device to convert C. to A.C. Low voltage D.C. into high voltage D.C. Mechanical energy into Electrical energy Low voltage A.C. into high voltage A.C. C. to A.C. Low voltage D.C. into high voltage D.C. Mechanical energy into Electrical energy Low voltage A.C. into high voltage A.C. ANSWER DOWNLOAD EXAMIANS APP
Physics In a Carnot engine when heat is taken from the source, its temperature Remains constant Decreases Increases Decreases and then remains constant Remains constant Decreases Increases Decreases and then remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of Planck's constant is Js J/s Js2 Js–2 Js J/s Js2 Js–2 ANSWER DOWNLOAD EXAMIANS APP
Physics The colour of the ocean appears to be blue because the sunlight falling on it is Diffracted Refracted Scattered Reflected Diffracted Refracted Scattered Reflected ANSWER DOWNLOAD EXAMIANS APP
Physics Heat stored in water vapour is Absolute heat Latent heat Relative heat Specific heat Absolute heat Latent heat Relative heat Specific heat ANSWER DOWNLOAD EXAMIANS APP