Physics The speed of light in air is Infinity 3 × 108 m/s 8 × 103 m/s 3 × 10–8 m/s Infinity 3 × 108 m/s 8 × 103 m/s 3 × 10–8 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics In a photocell light energy is converted into Potential energy Heat energy Electrical energy Chemical energy Potential energy Heat energy Electrical energy Chemical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch the distance of the stars from the earth changes with time. None of these the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch the distance of the stars from the earth changes with time. None of these ANSWER DOWNLOAD EXAMIANS APP
Physics What property of matter is momentum related to? None of these Mass Velocity Both A & B None of these Mass Velocity Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics The best material for the core of a transformer is Hard steel Soft iron Stainless steel Mild steel Hard steel Soft iron Stainless steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of pure silicon is doped with aluminium, then The resistivity of the doped silicon piece will increase The doped silicon piece will become p-type The doped silicon piece will become n-type The conductivity of the doped silicon piece will remain the same The resistivity of the doped silicon piece will increase The doped silicon piece will become p-type The doped silicon piece will become n-type The conductivity of the doped silicon piece will remain the same ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS