Physics
Measusrement
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#193 Which one of the following is not the interdisciplinary area of physics?
A) Chemical physics
B) Engineering physics
C) Geophysics
D) Super conductivity
#194 At present, the numbers of main frontiers of fundamental science are
A) Four
B) Two
C) Three
D) Five
#195 Light year is
A) Time
B) Year of light
C) Distance
D) Reciprocal of time
#196 Computer chips are made of
A) Metallic silicon
B) Metalloid silicon
C) Super conducting silicon
D) All of these
#197 With the help of which one of the following waves big bang theory was proved?
A) X-rays
B) Ultra-violet
C) Radio waves
D) γ-rays
#198 An ideal standard has two principal characteristics. It is
A) Accessible and variable
B) Inaccessible and variable
C) Inaccessible invariable
D) Accessible and invariable
#199 Standard kg is an alloy cylinder having
A) 90% Ir, 10% pt
B) 20% pt, 80% Ir
C) 10% Ir, 90% Pt
D) 20% Ir, 80% pt
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