Physics The least penetrating power ray is None of these Alpha rays Beta rays Gamma rays None of these Alpha rays Beta rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics A mirage occurs because of Total internal reflection by layers of air Interference of light Diffraction of light Reflection by hot ground Total internal reflection by layers of air Interference of light Diffraction of light Reflection by hot ground ANSWER DOWNLOAD EXAMIANS APP
Physics Who is the first person to define speed Ptolemy Kepler Galileo Newton Ptolemy Kepler Galileo Newton ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection I and III II and III I and II I, II and III I and III II and III I and II I, II and III 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 Infrasonic wave Audible wave Ultrasonic wave Microwave Infrasonic wave Audible wave ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not an aerosol? Mud Smoke Fog Dust Mud Smoke Fog Dust ANSWER DOWNLOAD EXAMIANS APP