Physics Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection II and III I and III I, II and III I and II II and III I and III I, II and III I and II ANSWER DOWNLOAD EXAMIANS APP
Physics In a particular system, the units of length, mass and time are chosen to be 10 cm, 10 g and 0.1 s respectively. The unit of force in this system will be equivalent to 0.1 N 1 N 100 N 10 N 0.1 N 1 N 100 N 10 N ANSWER DOWNLOAD EXAMIANS APP
Physics During hot weather, the fan produces a feeling of comfort. This is because Conductivity of air increases Fan cools the air Fan supplies cool air Our perspiration eva-porates rapidly Conductivity of air increases Fan cools the air Fan supplies cool air Our perspiration eva-porates rapidly ANSWER DOWNLOAD EXAMIANS APP
Physics A light ray travelling from denser to rarer medium at an angle of incidence more than critical angle of concerned media pair suffers. Refraction Total internal reflection Reflection Diffraction Refraction Total internal reflection Reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (given that density of gold is greater than that of silver) Both silver and gold pieces weigh equal Weighing will depend on their masses The gold piece will weigh more The silver piece will weigh more Both silver and gold pieces weigh equal Weighing will depend on their masses The gold piece will weigh more The silver piece will weigh more ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not change with the change of Wind in the direction of propagation of sound Temperature of air Pressure of air Moisture content in air Wind in the direction of propagation of sound Temperature of air Pressure of air Moisture content in air ANSWER DOWNLOAD EXAMIANS APP
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