Physics Sound of frequency below 20 Hz is called audio sounds supersonics ultrasonic infrasonic audio sounds supersonics ultrasonic infrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following instrument is used to measure Soil Water Tension? Tensiometer Photometer Pyrometer Psychrometer Tensiometer Photometer Pyrometer Psychrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Why is weightlessness experienced while orbiting the earth in space ships ? Inertia Zero gravity Acceleration None of these Inertia Zero gravity Acceleration None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? Its energy levels are very close to each other It is highly electropositive It is very small in size It has only one electron Its energy levels are very close to each other It is highly electropositive It is very small in size It has only one electron ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is due to refraction and reflection of sunlight by water droplets ionisation of water deposits diffusion of sunlight through water droplets absorption of sunlight in minute water droplets refraction and reflection of sunlight by water droplets ionisation of water deposits diffusion of sunlight through water droplets absorption of sunlight in minute water droplets ANSWER DOWNLOAD EXAMIANS APP
Physics On which day 'National Science Day' is celebrated in India ? 43886 43889 43884 43887 43886 43889 43884 43887 ANSWER DOWNLOAD EXAMIANS APP