Physics Rainbow is due to absorption of sunlight in minute water droplets refraction and reflection of sunlight by water droplets ionisation of water deposits diffusion of sunlight through water droplets absorption of sunlight in minute water droplets refraction and reflection of sunlight by water droplets ionisation of water deposits diffusion of sunlight through water droplets ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 1 1.5 1.2 2 1 1.5 1.2 2 ANSWER DOWNLOAD EXAMIANS APP
Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Audible sounds Ultrasonics Infrasonics Megasonics Audible sounds Ultrasonics Infrasonics Megasonics ANSWER DOWNLOAD EXAMIANS APP
Physics What is a neuron ? Basic unit of nervous system Basic unit of energy The anti-particle of neutron Particle released during radioactivity Basic unit of nervous system Basic unit of energy The anti-particle of neutron Particle released during radioactivity ANSWER DOWNLOAD EXAMIANS APP
Physics Burns caused by steam are much severe than those caused by boiling water because Steam has latent heat Steam is gas and engulfs the body quickly Temperature of steam is higher Steam pierces through the pores of body quickly Steam has latent heat Steam is gas and engulfs the body quickly Temperature of steam is higher Steam pierces through the pores of body quickly ANSWER DOWNLOAD EXAMIANS APP
Physics Inside an aeroplane, flying at a high altitude, normal atmospheric pressure is maintained by the use of air pumps. normal humidity and partial vacuum are maintained. the pressure is the same as that outside. the pressure inside is less than the pressure outside. normal atmospheric pressure is maintained by the use of air pumps. normal humidity and partial vacuum are maintained. the pressure is the same as that outside. the pressure inside is less than the pressure outside. ANSWER DOWNLOAD EXAMIANS APP