Physics Which of the following parts of the sunlight makes the solar cooker hot ? Cosmic rays Red light Infra red Ultra violet Cosmic rays Red light Infra red Ultra violet ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Accidents due to expansion in summer can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Accidents due to expansion in summer can be avoided Steel can be saved ANSWER DOWNLOAD EXAMIANS APP
Physics For which Diode is used ? Purification Oscillation Modulation Amplification Purification Oscillation Modulation Amplification ANSWER DOWNLOAD EXAMIANS APP
Physics Night photography and photopraphy in mist and fog are possible using Microwave radiation Infra-red radiation Ultra-violet radiation Gamma radiation Microwave radiation Infra-red radiation Ultra-violet radiation Gamma radiation ANSWER DOWNLOAD EXAMIANS APP
Physics When two semiconductors of pand n-type are brought in contact, they form p-n junction which acts like a/an Conductor Oscillator Rectifier Amplifier Conductor Oscillator Rectifier Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics A rear-view mirror for driving is Concave Inverted Convex Plain Concave Inverted Convex Plain ANSWER DOWNLOAD EXAMIANS APP
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