Physics Which one of the following has the highest value of specific heat? Lead Glass Water Copper Lead Glass Water Copper ANSWER DOWNLOAD EXAMIANS APP
Physics The earth is a Non-absorber of heat Good absorber and good radiator of heat Bad absorber and bad radiator of heat Good reflector of heat Non-absorber of heat Good absorber and good radiator of heat Bad absorber and bad radiator of heat Good reflector of heat ANSWER DOWNLOAD EXAMIANS APP
Physics What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero? Becomes zero None of these Remains constant Increases exponentially Becomes zero None of these Remains constant Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
Physics Energy in reflected light : Does not depends on the angle of incidence Becomes maximum for angle of incidence equal to 45° Increases with the increase in angle Decreases with the increase in angle of incidence Does not depends on the angle of incidence Becomes maximum for angle of incidence equal to 45° Increases with the increase in angle Decreases with the increase in angle of incidence ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the shortest wavelength? Infrared rays Microwaves Radio waves Gamma rays Infrared rays Microwaves Radio waves Gamma rays 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 C2>C1 C1pa = C2pg C1 = C2 C1>C2 C2>C1 C1pa = C2pg C1 = C2 ANSWER DOWNLOAD EXAMIANS APP
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