Physics Why does'nt the hydrogen atom emit X-rays? It is very small in size Its energy levels are very close to each other It has only one electron It is highly electropositive It is very small in size Its energy levels are very close to each other It has only one electron It is highly electropositive ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following property of sound is affected by change in air temperature? Wavelength Frequency Intensity Amplitude Wavelength Frequency Intensity Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics The component used for tuning a radio is basically a variable Inductor Transformer Resisto Condenser Inductor Transformer Resisto Condenser ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Similar charges of electricity rush towards each other and then get repelled Water vapour produces electricity in the clouds Clouds strike against impurities in air and the friction burns up these impurities Strong opposite charges in different clouds break down the resistance offered by the intervening air Similar charges of electricity rush towards each other and then get repelled Water vapour produces electricity in the clouds Clouds strike against impurities in air and the friction burns up these impurities Strong opposite charges in different clouds break down the resistance offered by the intervening air ANSWER DOWNLOAD EXAMIANS APP
Physics One watt-hour is equivalent to 6.3 x 103 J 3.6 x 103 J 6.3 x 10-7 J 3.6 x 10-3 J 6.3 x 103 J 3.6 x 103 J 6.3 x 10-7 J 3.6 x 10-3 J ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is due to 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 refraction and reflection of sunlight by water droplets ANSWER DOWNLOAD EXAMIANS APP