Online General Knowledge Quiz with Answers - 2

Question: 6

The absorption of radio waves by the atmosphere depends on

(A) Their frequency

(B) Their distance from the transmitter

(C) Their polarization of the wave

(D) The polarization of the atmosphere

Question: 7

A hole in p-type semiconductor is

(A) An excess electron

(B) A missing electron

(C) A missing atom

(D) A donor level

Question: 8

In black and white televisions, pictures on the screen are produced due to bombardment of

(A) X-ray photons on a white screen

(B) X-ray photons on a white fluorescent screen

(C) Electrons on a fluorescent white screen

(D) Electrons on a white screen

Question: 9

When the temperature of semiconductor is increased, its electrical conductivity

(A) Remains the same

(B) Increases

(C) Decreases

(D) None of these

Question: 10

The reciprocal of specific resistance is

(A) Plate resistance

(B) Resistance

(C) Conductive resistance

(D) Specific conductance