Physics Ultrasound devices operate with minimum frequency from 60 kHz 35 kHz 45 kHz 20kHz 60 kHz 35 kHz 45 kHz 20kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Woollen cloth protects the body from cold because It is a good conductor of heat It reflects heat It is a poor conductor of heat External heat rays enter into the body through the woollen cloth It is a good conductor of heat It reflects heat It is a poor conductor of heat External heat rays enter into the body through the woollen cloth ANSWER DOWNLOAD EXAMIANS APP
Physics Danger signals are generally red as red light Is least bright Has lowest velocity Gives comfort to eye Undergoes least deviation Is least bright Has lowest velocity Gives comfort to eye Undergoes least deviation ANSWER DOWNLOAD EXAMIANS APP
Physics Which is an example of Phototropism? Plant bending toward the light Roots of a plant following water A venus flytrap capturing a fly Roots growing into the soil Plant bending toward the light Roots of a plant following water A venus flytrap capturing a fly Roots growing into the soil ANSWER DOWNLOAD EXAMIANS APP
Physics Friction is caused by the ________ on the two surfaces in contact. Smoothness Densities Gaps Irregularities Smoothness Densities Gaps Irregularities ANSWER DOWNLOAD EXAMIANS APP
Physics What is the full form of "RADAR" ? Radio Detecting and Ranging Region Device and Ranging Radio Device and Ranging Radio Detect and Rangs Radio Detecting and Ranging Region Device and Ranging Radio Device and Ranging Radio Detect and Rangs ANSWER DOWNLOAD EXAMIANS APP