Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 0.008 1000 0.016 2000 0.008 1000 0.016 2000 ANSWER DOWNLOAD EXAMIANS APP
Physics A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance Will decrease Varies with the increase of depth of the immersion of the iron piece Does not change Will increase Will decrease Varies with the increase of depth of the immersion of the iron piece Does not change Will increase 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? 2.87 sec 4.65 sec 3.44 sec 5.41 sec 2.87 sec 4.65 sec 3.44 sec 5.41 sec ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Decreases with decrease in velocity. Decreases with increase in velocity. Is independent of its velocity. Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. Decreases with increase in velocity. Is independent of its velocity. Increases with increase in velocity with respect to an observer. ANSWER DOWNLOAD EXAMIANS APP
Physics Ultrasound devices operate with minimum frequency from 20kHz 45 kHz 35 kHz 60 kHz 20kHz 45 kHz 35 kHz 60 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is One Less than one Zero More than one One Less than one Zero More than one ANSWER DOWNLOAD EXAMIANS APP
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