set 1 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 3 EXERCISES
The following question based on modern and space physics, sources of energy topic of general science mcq
(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
The correct answers to the above question in:
Answer: (c)
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Question : 1
The waves used in telecommunication are
a) UV
b) Microwave
c) IR
d) Cosmic rays
Answer »Answer: (b)
Question : 2
Consider the following statements: At the present level of technology available in India, solar energy can be conveniently used to :
- Supply hot water to residential buildings.
- Supply water for minor irrigation projects.
- Provide street lighting.
- Electrify a cluster of villages and small towns.
a) 2 and 4 are correct
b) 1 and 3 are correct
c) 1, 2, 3 and 4 are correct
d) 1, 2 and 3 are correct
Answer »Answer: (c)
Question : 3
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
Answer »Answer: (c)
Question : 4
Which of the following cannot be fabricated on an IC?
a) Inductors and transformers
b) Diodes
c) Transistors
d) Resistors
Answer »Answer: (a)
Question : 5
Space wave propagation is:
- tropospherical propagation
- sky wave propagation
- line of sight propagation
a) 1 and 3
b) 2 only
c) 1 only
d) 2, 3 and 4
Answer »Answer: (a)
Space wave propagation is tropospherical propagation and line of sight propagation.
Question : 6
At absolute zero, Si acts as
a) metal
b) insulator
c) non-metal
d) None of these
Answer »Answer: (b)
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