Physics Permissible noise level at Residential area during night time is : 55 dB (A) 75 dB (A) 80 dB (A) 45 dB (A) 55 dB (A) 75 dB (A) 80 dB (A) 45 dB (A) ANSWER DOWNLOAD EXAMIANS APP
Physics Ball bearings are used in cycles, scooters etc to Increase the friction between the wheel and the axle Reduce the friction between ground and the whee None of these Reduce the friction between the wheel and the axle Increase the friction between the wheel and the axle Reduce the friction between ground and the whee None of these Reduce the friction between the wheel and the axle ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by Sonometer Cathode ray oscilloscope P – n junction diode Spectrometer Sonometer Cathode ray oscilloscope P – n junction diode Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue because It is actually blue In white light, the blue component dominates The atmosphere scatters blue colour more than the others All colours interfere to produce blue It is actually blue In white light, the blue component dominates The atmosphere scatters blue colour more than the others All colours interfere to produce blue ANSWER DOWNLOAD EXAMIANS APP
Physics The light rays used for eliminating bacteria Infrared rays Ultra-violet radiation Microwave radiation X-rays Infrared rays Ultra-violet radiation Microwave radiation X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Electron microscope works on which of the following principles? Faraday's law of Electromagnetic induction Motion of charged particle in electromagnetic fields Wave Nature of electrons Optical interference Faraday's law of Electromagnetic induction Motion of charged particle in electromagnetic fields Wave Nature of electrons Optical interference ANSWER DOWNLOAD EXAMIANS APP
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