Physics On a rainy day, small oil films on water show brilliant colours. This is due to diffraction dispersion interference polarization diffraction dispersion interference polarization 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 Audible wave Microwave Infrasonic wave Ultrasonic wave Audible wave Microwave Infrasonic wave Ultrasonic wave ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity required to place a vehicle in orbit around the moon is ________ that required to place it in orbit round the earth. Greater than or equal to Less than Equal to Greater than Greater than or equal to Less than Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of the sound is highest in Air Vacuum Metal Water Air Vacuum Metal Water ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in degree Celsius), the numerical values on Celsius and Fahrenheit scales become equal? –273 40 –40 273 –273 40 –40 273 ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of wood is held under water. The upthrust on it will be: Less than weight of the wood More than weight of the wood Equal to the weight of the wood Zero Less than weight of the wood More than weight of the wood Equal to the weight of the wood Zero ANSWER DOWNLOAD EXAMIANS APP