• #### SSC CGL Exam General Awareness Study Material

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##### An electron microscope gives higher magnifies than an optical microscope because :

a) The velocity of electrons is smaller than that of light
b) The wavelength of electrons is smaller as compared to the wavelength of visible light
c) The electrons have more energy than the light particulars
d) The electron microscope uses more powerful lenses

##### A reversible and an irreversible engine are working between the same limits of temperature. The efficiency of

a) The reversible engine is greater than the irreversible engine
b) Each engine is 100%
c) The irreversible engine is greater than the reversible engine
d) The two engines is equal

##### The first law of thermodynamics is simply the case of

a) Charle`s law
b) Newton`s law of cooling
c) The law of heat exchange
d) The law of conservation of energy

##### Total internal reflection can not take place When light goes from :

a) glass to water
b) Water to glass
c) Water to air
d) Glass to air

##### Liberty stands for

a) Absence of restraint
b) Consists in the presence of restraint
c) Feeling enjoyed in a congenial atmosphere
d) The eager maintenance of that atmosphere in which men have the opportunity to be their best selves-Laski

##### Which one of the following kinds of equality is not compatible with the liberal notion of equality

a) Legal Equality
b) Political Equality
c) Social Equality
d) Economic Equality

a) 2 times
b) 4 times
c) 8 times
d) 16 times

a) 2 F
b) 1/2 F
c) 4 F
d) 1/4 F

##### Stationary wave is formed by

a) A transverse wave superposing a longitudinal wave
b) Two waves of the same speed superposing
c) Two waves of same frequency travelling in the same direction
d) Two waves of same frequency travelling in the opposite direction

a) 2
b) 8
c) 18
d) 32

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