Physics Echo is heard due to Reflection Scattering Refraction Interference Reflection Scattering Refraction Interference ANSWER DOWNLOAD EXAMIANS APP
Physics Two vectors are said to be equal if Both magnitude and direction are same Only their magnitudes are same Magnitudes are same but directions are opposite Only their directions are same Both magnitude and direction are same Only their magnitudes are same Magnitudes are same but directions are opposite Only their directions are same 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 Ultrasonic wave Microwave Audible wave Infrasonic wave Ultrasonic wave Microwave Audible wave Infrasonic wave ANSWER DOWNLOAD EXAMIANS APP
Physics The quality or tone of a musical sound produced by a stringed instrument depends on Amplitude of vibration Wave form of the sound Length of the strings in the instrument Frequency of vibration Amplitude of vibration Wave form of the sound Length of the strings in the instrument Frequency of vibration ANSWER DOWNLOAD EXAMIANS APP
Physics In the remote control of television, electromagnetic waves used are Radiowave Infrared Ultraviolet Microwave Radiowave Infrared Ultraviolet Microwave ANSWER DOWNLOAD EXAMIANS APP
Physics Wind and solar energy are examples of Unsustainable Renewable Limited Non renewable Unsustainable Renewable Limited Non renewable ANSWER DOWNLOAD EXAMIANS APP