Physics Dioptre is the unit of Focal length of a lens Light intensity Sound intensity Power of a lens Focal length of a lens Light intensity Sound intensity Power of a lens ANSWER DOWNLOAD EXAMIANS APP
Physics Ultrasound devices operate with minimum frequency from 45 kHz 20kHz 60 kHz 35 kHz 45 kHz 20kHz 60 kHz 35 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Least audible sound for most of the human ear is : 5.0 µ bar 0.005 µ bar 10.0 µ bar 0.0002 µ bar 5.0 µ bar 0.005 µ bar 10.0 µ bar 0.0002 µ bar ANSWER DOWNLOAD EXAMIANS APP
Physics A sphere rolls down on two inclined planes of different angles but same height, it does so In the same time with the same kinetic energy With the same speed In the same time In the same time with the same speed In the same time with the same kinetic energy With the same speed In the same time In the same time with the same speed ANSWER DOWNLOAD EXAMIANS APP
Physics If the phase difference between two points is 120° for a wave with velocity of 360 m/s and frequency 500 Hz, then path difference between the two points is 24 cm 1 cm 12 cm 6 cm 24 cm 1 cm 12 cm 6 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Ammonia Carbon dioxide Chlorine Ozone Ammonia Carbon dioxide Chlorine Ozone ANSWER DOWNLOAD EXAMIANS APP