Physics Rolling friction is caused by ________ Gravity Buoyancy Power dissipation Non-elastic effects Gravity Buoyancy Power dissipation Non-elastic effects ANSWER DOWNLOAD EXAMIANS APP
Physics The apparent weight of a man in a lift is less the real weight when : The lift is going down with an acceleration The lift is going up with uniform speed The lift is going up with an acceleration The lift is going down with uniform speed The lift is going down with an acceleration The lift is going up with uniform speed The lift is going up with an acceleration The lift is going down with uniform speed ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following substances, the resistance decreases with increase in temperature? Nichrome Pure silicon Platinum Copper Nichrome Pure silicon Platinum Copper ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of radiation has the lowest penetrating ability? Gamma Beta Alpha All of these Gamma Beta Alpha All of these ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works on the principle of Total internal reflection Refraction Diffraction Reflection Total internal reflection Refraction Diffraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by Spectrometer P – n junction diode Sonometer Cathode ray oscilloscope Spectrometer P – n junction diode Sonometer Cathode ray oscilloscope ANSWER DOWNLOAD EXAMIANS APP
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