Physics Sound is heard over longer distances on rainy days because Sound travels slowly in moist air Moist air absorbs sound Moist air does not absorb sound Sound travels faster in moist air Sound travels slowly in moist air Moist air absorbs sound Moist air does not absorb sound Sound travels faster in moist air ANSWER DOWNLOAD EXAMIANS APP
Physics Transition ions absorb light in : Ultraviolet region Visible region Infrared region Microwave region Ultraviolet region Visible region Infrared region Microwave region ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following instruments is used to measure humidity ? Sling Psychrometer Anemometer Kata Thermometer Clinical Thermometer Sling Psychrometer Anemometer Kata Thermometer Clinical Thermometer ANSWER DOWNLOAD EXAMIANS APP
Physics Red light has a wavelength of 70 A°. In "nm" it is 0.07 nm 700 nm 70 nm 7 nm 0.07 nm 700 nm 70 nm 7 nm ANSWER DOWNLOAD EXAMIANS APP
Physics In a bipolar junction transistor The emitter has the least concentration of impurity The base 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 emitter has the least concentration of impurity The base 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 ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? It will remain under the water, when it will displace more water than its weight The density of needle is less than that of water Due to its shape Due to surface tension It will remain under the water, when it will displace more water than its weight The density of needle is less than that of water Due to its shape Due to surface tension ANSWER DOWNLOAD EXAMIANS APP