Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Carbon dioxide Ammonia Chlorine Ozone Carbon dioxide Ammonia Chlorine Ozone ANSWER DOWNLOAD EXAMIANS APP
Physics A bottle of sodalime is grasped by the neck and swung briskly in a vertical circle, Near which portion of the bottle do the bubbles collect? Near the bottom Near the neck Bubbles remain distributed uniformly In the middle of the bottom Near the bottom Near the neck Bubbles remain distributed uniformly In the middle of the bottom ANSWER DOWNLOAD EXAMIANS APP
Physics A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height? 3.44 sec 4.65 sec 5.41 sec 2.87 sec 3.44 sec 4.65 sec 5.41 sec 2.87 sec ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of luminous emittance is : Lumen second Lumen Lux Candela Lumen second Lumen Lux Candela ANSWER DOWNLOAD EXAMIANS APP
Physics Every hot object emits ________ Infrared rays Ultraviolet rays Visible light X–rays Infrared rays Ultraviolet rays Visible light X–rays ANSWER DOWNLOAD EXAMIANS APP
Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Beats Resonance Echo Doppler effect Beats Resonance Echo Doppler effect ANSWER DOWNLOAD EXAMIANS APP
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