GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 086

GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 086

851). A small quantity of water placed in an open pan is allowed to evaporate. The temperature of the pan will
A). increase
B). remain constant
C). decrease
D). increase first and then decrease

Answer: decrease


   
852). Lunar eclipse occur
A). on a full moon day
B). on a new-moon day
C). seven days after the
D). none of these

Answer: on a full moon day


   
853). When a rubber ball is dropped on a hard surface, it rebounds because of
A). elastic forces
B). it cannot penetrate
C). earth repels
D). (A) and (B) are true

Answer: (A) and (B) are true


   
854). What is the reason for the appearance of different colours on a soap bubble?
A). Interference due to multiple reflection
B). IR spectrum of solar radiation
C). Scattering caused by the spherical Surface
D). Newton's ring

Answer: Interference due to multiple reflection


   
855). Which wave phenomenon is not common to both light and sound waves?
A). reflection
B). refraction
C). polarisation
D). diffraction

Answer: polarisation



856). The smallest planet in the solar system
A). venus
B). earth
C). uranus
D). pluto

Answer: pluto


   
857). The device used to measure voltage, current and resistance is called
A). an A.F. Amplifier
B). a detector
C). a galvanometer
D). a multimeter

Answer: a multimeter


   
858). The radio isotope used for locating brain tumor is
A). phosphor
B). cobalt
C). iodine
D). sodium

Answer: iodine


   
859). Electric bulbs are filled with the gas
A). oxygen
B). carbon dioxide
C). argon
D). nitrogen

Answer: argon


   
860). X-rays travel with the velocity of
A). light
B). sound
C). positive rays
D). alpha rays

Answer: light