Veto q&a 7 Month22 (1)

@physics
2018
May
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Hydrogen bomb is based on which phenomenon?
A. nuclear fusion
With whom did Bertrand Russell co-author the
famous book ‘Principia Mathematica’?
A. alfred north White Head
Who invented the first electronic calculating
machine
A. John.V.atnasof
The lightning conductor used for the protection of
buildings from lighting is made of
A. copper
The Indian scientist who put forward the theory of
thermal ionization was
A. meghanath Saha
What is the unit of frequency
A. Hertz
What does ‘Angstrom’ measure
A. length of light waves
The light of which colour has the longest wave
length
A. Red
How is energy produced in the Sun?
A. nuclear fusion
What is a ‘Femto Second’
A. a million th of a billion th of a second
Which is the fourth state of matter
A. Plasma
Who invented Electric Fan
A. S. Wheeler
Who populated Quantum
Theory
A. max Planck
Which is the vitamin
produced in body by ultra
violet rays in the Sun
A. Vit-D
’Small is beautiful’ is a famous book on technology
is environment. Who is the author?
A. e.f. Schumaker
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Which is the first Commercial Communication
Satellite in the world
A. intelsat i
The aeroplane that travels faster than sound in air
A. Supersonic Plane
What is tele communicational integration
A. Dring different works in the same line
Where did the first correct television broadcast start
A. at alexandra Palace in london, 1936
What is the medium of satellite communication
A. microwave-radio
What is the peculiarity of a nuclear clock
A. most accurate clock (17 crore years
will take to have a second’s difference)
What percent of solar energy reaching earth’s
surface is converted into biomass
A. 0.2%
Who is known for his mathematical theory of
electricity
A. J.J.Thomson
Depth of oceans is
measured using
A. fathometer
In which instrument
microwaves were first
produced
A. magnetron
Which is the colour of light emitted by Hydrogen
discharge lamps
A. Blue
Which fuel is used in PURNIMA-1 Reactor
A. Plutonium
Which was the first submarine that ran using
nuclear power
A. nautilus
What is ‘dead weight tonnage’ (DWT)
A. The weight of a ship including all the
particles it carries
Device used to view the objects above the surface
of water
A. Periscope
Q&A Bonus
The longest Tributary of Indus - Sutlej
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