Physics The frequency of ultrasound wave is typically Above 20,000 kHz Above 20 kHz Below 20 kHz Below 02 kHz Above 20,000 kHz Above 20 kHz Below 20 kHz Below 02 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics During the motion of a projectile fired from the earth surface, ________ Its momentum remains constant Its kinetic energy remains constant Horizontal component of its velocity remains constant Vertical component of its velocity remains constant Its momentum remains constant Its kinetic energy remains constant Horizontal component of its velocity remains constant Vertical component of its velocity remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse? Both 100 W 25 W Neither Both 100 W 25 W Neither ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following doesn't have any effect on velocity of sound ? Temperature Pressure Density Humidity Temperature Pressure Density Humidity ANSWER DOWNLOAD EXAMIANS APP
Physics If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects? Kinetic Energy Velocity Momentum Acceleration Kinetic Energy Velocity Momentum Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics A body absorbs heat most if it is Black and smooth White and rough White and smooth Black and rough Black and smooth White and rough White and smooth Black and rough ANSWER DOWNLOAD EXAMIANS APP
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