Physics Two stones of different masses are dropped simultaneously from the top of a building Smaller stone reaches the ground earlier Both the stones reach the ground at the same time Depends on the composition of the stone Larger stone reaches the ground earlier Smaller stone reaches the ground earlier Both the stones reach the ground at the same time Depends on the composition of the stone Larger stone reaches the ground earlier ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low resistance Low melting point Low work function High melting point Low resistance Low melting point Low work function High melting point ANSWER DOWNLOAD EXAMIANS APP
Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 2000 80 4000 40 2000 80 4000 40 ANSWER DOWNLOAD EXAMIANS APP
Physics When an unbalanced force acts on an object The speed & direction of the object will change Causes change in motion of the object Causes the object to move All of these The speed & direction of the object will change Causes change in motion of the object Causes the object to move All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Sun appears red in colour at sunrise and sunset due to That sun comes out of the mountains Red light having longer wave length scatters away The fact that sun emits only red colour at that time That all other colours scatter away except red That sun comes out of the mountains Red light having longer wave length scatters away The fact that sun emits only red colour at that time That all other colours scatter away except red 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? C2>C1 C1>C2 C1pa = C2pg C1 = C2 C2>C1 C1>C2 C1pa = C2pg C1 = C2 ANSWER DOWNLOAD EXAMIANS APP
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