Physics Sound waves cannot travel in Vacuum Water Hydrogen gas Glass Vacuum Water Hydrogen gas Glass ANSWER DOWNLOAD EXAMIANS APP
Physics The reason for a swimming pool to appear less deep than the actual depth is Reflection Light scattering Refraction Interference Reflection Light scattering Refraction Interference ANSWER DOWNLOAD EXAMIANS APP
Physics Total internal reflection can not take place when light goes from : Water to air Glass to water Water to glass Glass to air Water to air Glass to water Water to glass Glass to air 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 Infrasonic wave Audible wave Microwave Ultrasonic wave Infrasonic wave Audible wave Microwave Ultrasonic wave ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following wavelengths of light is most effective in photosynthesis ? Yellow Blue Green Orange Yellow Blue Green Orange ANSWER DOWNLOAD EXAMIANS APP
Physics The material used in electric heater is Nichrome Brass Tungsten Steel Nichrome Brass Tungsten Steel ANSWER DOWNLOAD EXAMIANS APP
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