Physics Which type of radiation has the lowest penetrating ability? Beta Gamma All of these Alpha Beta Gamma All of these Alpha ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is used to convert Electrical energy into magnetic energy Mechanical energy into electrical energy Magnetic energy into mechanical energy Electrical energy into mechanical energy Electrical energy into magnetic energy Mechanical energy into electrical energy Magnetic energy into mechanical energy Electrical energy into mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Ocean currents are an example of Convection Conduction Insulation Radiation Convection Conduction Insulation Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved ANSWER DOWNLOAD EXAMIANS APP
Physics X-rays region lies between Gamma-rays and ultraviolet region Visible and infra-red region Short radio waves and long radio waves Ultraviolet and visible region Gamma-rays and ultraviolet region Visible and infra-red region Short radio waves and long radio waves Ultraviolet and visible region ANSWER DOWNLOAD EXAMIANS APP
Physics A wire carrying current is Charged with a type depending upon current strength Positively charged Negatively charged Neutral Charged with a type depending upon current strength Positively charged Negatively charged Neutral ANSWER DOWNLOAD EXAMIANS APP