set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

The neutron, proton, electron and alpha particle are moving with equal kinetic energies. How can the particles be arranged in the increaseing order of their velocities?

a) proton-electron-neutron-alpha paraticle

b) electron-proton-neutron-alpha paraticle

c) alpha particle-neutron-proton- electron

d) neutron-proton-electron-alpha paraticle

Question : 2

Which one of the following is correct? The wavelength of the X-rays

a) is longer than the wavelength of the yellow sodium light

b) is longer than the wavelength of radio waves

c) is longer than the wavelength of sound waves

d) is of the order of 0.1 nanometer

Question : 3

The active component in an IC are

a) Capacitors

b) Transistors and diodes

c) Resistors

d) None of these

Question : 4

The waves used in telecommunication are

a) UV

b) Microwave

c) IR

d) Cosmic rays

Question : 5

The transistor are usually made of

a) metals with high temperature coefficient of resistivity

b) metals with low temperature coefficient of resistivity

c) metal oxides with high temperature coefficient of resistivity

d) semiconducting materials having low temperature coefficient of resistivity

Question : 6

Which of the following cannot be fabricated on an IC?

a) Inductors and transformers

b) Diodes

c) Transistors

d) Resistors