GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 117

GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 117

1161). By keeping the door of refrigerator in a room open, while working
A). the room gets cooled slightly
B). the room gets more cooled
C). the room gets warmed up slightly
D). the room gets neither warmer nor cooller

Answer: the room gets warmed up slightly


   
1162). Decibel is a unit to measure the
A). intensity of sound
B). intensity of radiation
C). intensity of light
D). intensity of heat

Answer: intensity of sound


   
1163). The Unit of astronomical distance is
A). angstrom
B). Kilometer
C). nautical mile
D). light year

Answer: light year


   
1164). One important difference between light wave and sound is that the former
A). is a wave
B). can be reflected
C). can travel around comer
D). can travel through empty space

Answer: can travel through empty space


   
1165). The Ventilators of buildings are necessary for
A). the entry of outside oxygen
B). removing carbon dioxide exhausted and the water vapour evaporated from the bodies of living things inside the building
C). the entry of outside moisture
D). the entry of light

Answer: removing carbon dioxide exhausted and the water vapour evaporated from the bodies of living things inside the building



1166). What is the range of wavelength of visible spectrum?
A). 1300A-8000A
B). 3900A-7600A
C). 2500A-5000A
D). 8000A-8500A

Answer: 3900A-7600A


   
1167). Distance of the stars is measured in
A). light years
B). decibels
C). kilometers
D). miles

Answer: light years


   
1168). The part where the image is formed in the eye is
A). pupil
B). blind spot
C). retina
D). lens

Answer: retina

   
1169). During the change of state (e.g. solid to liquid) the temperature of the solid
A). increases
B). decreases
C). remains constant
D). changes

Answer: remains constant


   
1170). Amplitude of a sound wave determines its
A). frequency
B). intensity
C). phase
D). wavelength

Answer: frequency