Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 12 24 50 36 12 24 50 36 ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? It has only one electron It is very small in size Its energy levels are very close to each other It is highly electropositive It has only one electron It is very small in size Its energy levels are very close to each other It is highly electropositive ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomenon is responsible for the echo of sound wave? Refraction Polarisation Interference Reflection Refraction Polarisation Interference Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The time period of a pendulum when taken to the Moon would: Increase Remain the same Decrease Become zero Increase Remain the same Decrease Become zero ANSWER DOWNLOAD EXAMIANS APP
Physics Compressions and Rarefactions are characteristic of Longitudinal waves Both A & B Neither of A & B Transverse waves Longitudinal waves Both A & B Neither of A & B Transverse waves ANSWER DOWNLOAD EXAMIANS APP
Physics The colour of sky appears blue due to Scattering of shorter wave lengths Dispersion Reflection Refraction Scattering of shorter wave lengths Dispersion Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
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