Physics 'Mirage' is an example of Total internal reflection of light only Refraction and total internal reflection of light Refraction of light only Dispersion of light only Total internal reflection of light only Refraction and total internal reflection of light Refraction of light only Dispersion of light only ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 20 – 20000 Hz 0 – 5 Hz 11 – 20 Hz 6 – 10 Hz 20 – 20000 Hz 0 – 5 Hz 11 – 20 Hz 6 – 10 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Decibel is the unit used for Intensity of sound Radio wave frequency Intensity of heat Speed of light Intensity of sound Radio wave frequency Intensity of heat Speed of light ANSWER DOWNLOAD EXAMIANS APP
Physics To convert temperature from Celcius to Kelvin scale, you must ________ the given temperature. Multiply 273 Subtract 273 Divide by 273 Add 273 Multiply 273 Subtract 273 Divide by 273 Add 273 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 Equal to Greater than or equal to Less than Greater than Equal to Greater than or equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Physics Ultrasound devices operate with minimum frequency from 45 kHz 35 kHz 20kHz 60 kHz 45 kHz 35 kHz 20kHz 60 kHz ANSWER DOWNLOAD EXAMIANS APP
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