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 Microwave Ultrasonic wave Audible wave Infrasonic wave Microwave Ultrasonic wave Audible wave ANSWER DOWNLOAD EXAMIANS APP
Physics If the spinning speed of the earth is increased then the weight of body at the equator Double Same Increases Decreases Double Same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics A bird sitting on a high tension electric wire does not get electrocuted because It has high resistance Its feet are good insulators The body is earthed It does not form a closed path for the flow of current It has high resistance Its feet are good insulators The body is earthed It does not form a closed path for the flow of current ANSWER DOWNLOAD EXAMIANS APP
Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 36 24 50 12 36 24 50 12 ANSWER DOWNLOAD EXAMIANS APP
Physics X-rays region lies between Gamma-rays and ultraviolet region Ultraviolet and visible region Short radio waves and long radio waves Visible and infra-red region Gamma-rays and ultraviolet region Ultraviolet and visible region Short radio waves and long radio waves Visible and infra-red region ANSWER DOWNLOAD EXAMIANS APP
Physics The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is Reflection Interference Diffraction Dispersion Reflection Interference Diffraction Dispersion ANSWER DOWNLOAD EXAMIANS APP