What is reflection of light?
Explain the difference between collector & emitter of transistor, even though material used for both same?
Explain the difference between optical zoom, digital zoom and smart zoom?
Explain what is the translucent?
Explain the difference between photodiode & photocell?
Explain why are metals able to conduct current so well?
Explain what is the homogenous?
Tell me what type(amount) of capacitors are used in fan?
Tell me why is n-type conductor is neutral?
Explain real image?
What is the effect of using two converging lenses in one optical instrument?
Explain virtual image?
Explain what is the opaque?
Explain what is the transparent?
Tell me why ship doesnt sink sea?