Physics On a stationary sail boat, air is blown from a fan attached to the boat. The boat moves in opposite direction in which the air is blown does not move spins around moves in the same direction in which air blows moves in opposite direction in which the air is blown does not move spins around moves in the same direction in which air blows ANSWER DOWNLOAD EXAMIANS APP
Physics The colour of sky appears blue due to Refraction Scattering of shorter wave lengths Dispersion Reflection Refraction Scattering of shorter wave lengths Dispersion Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics In a bipolar junction transistor The collector has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The base has the least concentration of impurity The emitter has the least concentration of impurity The collector has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The base has the least concentration of impurity The emitter has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? The focal length of the lens The aperture The exposure time Size of the camera The focal length of the lens The aperture The exposure time Size of the camera ANSWER DOWNLOAD EXAMIANS APP
Physics These waves cannot be transmitted through vacuum. Light Electromagnetic Sound Heat Light Electromagnetic Sound Heat ANSWER DOWNLOAD EXAMIANS APP
Physics Ice is packed in saw dust because Saw dust is poor conductor of heat. Saw dust will not get melted easily. Saw dust is a good conductor of heat. Saw dust does not stick to the ice. Saw dust is poor conductor of heat. Saw dust will not get melted easily. Saw dust is a good conductor of heat. Saw dust does not stick to the ice. ANSWER DOWNLOAD EXAMIANS APP