Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Decrease Have its shape changed Increase Remain unaffected Decrease Have its shape changed Increase Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Physics If electric resistance is to be decreased, then the number of resistances should be connected in ________ Parallel Mixed arrangement Series None of these Parallel Mixed arrangement Series None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The least penetrating power ray is Gamma rays Alpha rays Beta rays None of these Gamma rays Alpha rays Beta rays None of these 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
Physics Super cooling stands for cooling of a liquid : Above melting point Below freezing point At melting point At freezing point Above melting point Below freezing point At melting point At freezing point ANSWER DOWNLOAD EXAMIANS APP
Physics Water has maximum density at 0°C 273°C 4°C 100°C 0°C 273°C 4°C 100°C ANSWER DOWNLOAD EXAMIANS APP
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