(A) Photoelectric effect
(B) Photovoltaic effect
(C) Photoconductive effect
(D) Photosynthesis
Tag: Physics Mcq Questions and Answers
Which electromagnetic radiation is used for satellite communication?
(A) Microwave
(B) Millimeter wave
(C) Infrared
(D) Ultraviolet
Solid bodies are charged due to transfer of?
(A) Neutrons
(B) Protons
(C) Electrons
(D) None of the above
Electron volt is the unit of?
(A) Electric energy
(B) Potential
(C) Potential difference
(D) Electric current
Electric flux through a closed surface does not depends upon?
(A) Its shape
(B) Charge
(C) Medium
(D) None of the above
When an area is held perpendicular to the filed lines then the magnitude of electric flux is?
(A) Zero
(B) Minimum
(C) Maximum
(D) Negative
If potential difference across two plates of a parallel plate capacitor is doubled then the energy stored in it will be?
(A) 2 Times
(B) 4 Times
(C) 8 Times
(D) Remains constant
Unit of energy density of electric field is?
(A) Jm-3
(B) JI-3
(C) JV-1
(D) JC-1