GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 082
811). The ozone layer protects
A). UV radiations
B). Radio waves
C). Visible radiations
D). Infra-red radiations
Answer: UV radiations
812). Through a soap film, different colours are seen by white light because of the phenomenon Of
A). interference
B). reflection
C). diffraction
D). dispersion
Answer: interference
813). Sound energy is converted into electrical energy by a
A). microphone
B). loudspeaker
C). telephone
D). radio
Answer: microphone
814). Light from the Laser
A). monochromatic
B). composite
C). dispersed light
D). incoherent
Answer: monochromatic
815). The unit of impedance
A). Ohm
B). Farad
C). Henry
D). Volt
Answer: Ohm
816). In an electronic watch, the component corresponding to pendulum of a pendulum clock is
A). transistor
B). crystal oscillator
C). diode
D). balance wheel
Answer: balance wheel
817). Match list I with list II correctly and select your answer using the codes given below :
List I List II
a) Hydrometer 1) current
b) Barometer 2) atmospheric pressure
c) Calorimeter 3) specific gravity
d) Ammeter 4) thickness of a plate
5) quantity of heat
Below codes are given in A B C D order
A). 2 5 3 4
B). 3 2 5 1
C). 4 3 2 5
D). 5 1 4 3
Answer: 3 2 5 1
818). Consider the following statements :
I. Mass is matter contained in the body.
A). UV radiations
B). Radio waves
C). Visible radiations
D). Infra-red radiations
Answer: UV radiations
812). Through a soap film, different colours are seen by white light because of the phenomenon Of
A). interference
B). reflection
C). diffraction
D). dispersion
Answer: interference
813). Sound energy is converted into electrical energy by a
A). microphone
B). loudspeaker
C). telephone
D). radio
Answer: microphone
814). Light from the Laser
A). monochromatic
B). composite
C). dispersed light
D). incoherent
Answer: monochromatic
815). The unit of impedance
A). Ohm
B). Farad
C). Henry
D). Volt
Answer: Ohm
816). In an electronic watch, the component corresponding to pendulum of a pendulum clock is
A). transistor
B). crystal oscillator
C). diode
D). balance wheel
Answer: balance wheel
817). Match list I with list II correctly and select your answer using the codes given below :
List I List II
a) Hydrometer 1) current
b) Barometer 2) atmospheric pressure
c) Calorimeter 3) specific gravity
d) Ammeter 4) thickness of a plate
5) quantity of heat
Below codes are given in A B C D order
A). 2 5 3 4
B). 3 2 5 1
C). 4 3 2 5
D). 5 1 4 3
Answer: 3 2 5 1
818). Consider the following statements :
I. Mass is matter contained in the body.
II. Weight is a force.
III. Mass
and weight are different
IV. Mass and weight are the same .
Of the
statements :
A). I alone is correct
B). I and II are correct
C). I, II and III are correct
D). all are correct
Answer: I, II and III are correct
819). Density of mercury is _____ of water
A). 2.4
B). 1.36
C). 13.6
D). 6.31
Answer: 13.6
820). If the power of a lens is 5 dioptre, find the focal length of the lens
A). 20 cm
B). 2 cm
C). 200 cm
D). 0.2 cm
Answer: 20 cm
A). I alone is correct
B). I and II are correct
C). I, II and III are correct
D). all are correct
Answer: I, II and III are correct
819). Density of mercury is _____ of water
A). 2.4
B). 1.36
C). 13.6
D). 6.31
Answer: 13.6
820). If the power of a lens is 5 dioptre, find the focal length of the lens
A). 20 cm
B). 2 cm
C). 200 cm
D). 0.2 cm
Answer: 20 cm
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