Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Chlorine Carbon dioxide Ozone Ammonia Chlorine Carbon dioxide Ozone Ammonia ANSWER DOWNLOAD EXAMIANS APP
Physics The wave theory of light can explain Interference of light Comptom effect Black body spectrum Photoelectric effect Interference of light Comptom effect Black body spectrum Photoelectric effect ANSWER DOWNLOAD EXAMIANS APP
Physics Ultrasound devices operate with minimum frequency from 35 kHz 60 kHz 45 kHz 20kHz 35 kHz 60 kHz 45 kHz 20kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is Homogeneous and transparent Inhomogeneous and transparent Made up of slabs of different refractive indices Of variable refractive index Homogeneous and transparent Inhomogeneous and transparent Made up of slabs of different refractive indices Of variable refractive index ANSWER DOWNLOAD EXAMIANS APP
Physics The radiation initially produced in fluorescent tube is X-rays Ultraviolet Infrared Microwaves X-rays Ultraviolet Infrared Microwaves ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Iron, water and air Air, water and iron Iron, air and water Water, iron and air Iron, water and air Air, water and iron Iron, air and water Water, iron and air ANSWER DOWNLOAD EXAMIANS APP
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