Physics The sound produced by a bat is– Ultrasonic Infrasonic Subsonic Audible Ultrasonic Infrasonic Subsonic Audible ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 7800 A° – 8000 A° 3900 A° – 7600 A° 1300 A°–3000 A° 8500 A° – 9800 A° 7800 A° – 8000 A° 3900 A° – 7600 A° 1300 A°–3000 A° 8500 A° – 9800 A° ANSWER DOWNLOAD EXAMIANS APP
Physics Every hot object emits ________ Visible light Infrared rays X–rays Ultraviolet rays Visible light Infrared rays X–rays Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: A layer of lubricant is kept between the two surfaces Air gap is created between the two surfaces Irregularities on both the surfaces are removed The two surfaces are pressed harder A layer of lubricant is kept between the two surfaces Air gap is created between the two surfaces Irregularities on both the surfaces are removed The two surfaces are pressed harder ANSWER DOWNLOAD EXAMIANS APP
Physics When a light wave is reflected from a mirror, there is a change in its Frequency Velocity Wavelength Amplitude Frequency Velocity Wavelength Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics The spoon dropped by an astronaut in a satellite will Fall to the floor Move tangentially away Continue to follow the motion of the satellite Remain stationary Fall to the floor Move tangentially away Continue to follow the motion of the satellite Remain stationary ANSWER DOWNLOAD EXAMIANS APP
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