Physics A radioactive substance does not undergo any change (in mass or charge) during Beta-emission Oxidation Alpha-emission Gamma-emission Beta-emission Oxidation Alpha-emission Gamma-emission ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ High melting point Low work function Low melting point Low resistance High melting point Low work function Low melting point Low resistance ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Choke' used with a tube light is basically A capacitor An inductor A resistor A transformer A capacitor An inductor A resistor A transformer ANSWER DOWNLOAD EXAMIANS APP
Physics The absolute refractive index of any medium is always: 1 More than one Less than one 1 More than one Less than one ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for formation of Mirage in desert? Reflection of light Refraction of light Total internal reflection of light Both Refraction and Total internal reflection of light Reflection of light Refraction of light Total internal reflection of light Both Refraction and Total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct? C1>C2 C1pa = C2pg C1 = C2 C2>C1 C1>C2 C1pa = C2pg C1 = C2 C2>C1 ANSWER DOWNLOAD EXAMIANS APP
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