Physics Rate of change of displacement is known as ________ Acceleration Velocity Speed Distance Acceleration Velocity Speed Distance ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Absence of gravity outside Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Presence of gravity outside but not inside the spacecraft Absence of gravity outside Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Presence of gravity outside but not inside the spacecraft ANSWER DOWNLOAD EXAMIANS APP
Physics Which electromagnetic radiation is used for satellite communication ? Millimeter wave Infrared Ultraviolet Radiowave Millimeter wave Infrared Ultraviolet Radiowave ANSWER DOWNLOAD EXAMIANS APP
Physics A decibel is A musical instrument A measure of sound level The wavelength of noise A musical note A musical instrument A measure of sound level The wavelength of noise A musical note ANSWER DOWNLOAD EXAMIANS APP
Physics A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an Infrasonic wave Audible wave Ultrasonic wave Microwave Infrasonic wave Audible wave Ultrasonic wave Microwave ANSWER DOWNLOAD EXAMIANS APP
Physics A person can jump higher on the moon's surface than on the earth because : The acceleration due to gravity in moon is smaller than that on the earth. The moon is cooler than earth The moon has no atmosphere The moon's surface is rough The acceleration due to gravity in moon is smaller than that on the earth. The moon is cooler than earth The moon has no atmosphere The moon's surface is rough ANSWER DOWNLOAD EXAMIANS APP
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