GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 098

GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 098

971). Raman Effect deals with
A). particle theory
B). wave theory
C). electro magnetic theory
D). quantum theory

Answer: quantum theory


   
972). In the motion of simple pendulum, the tension in the string is the greatest when
A). the bob is at the centre
B). the bob is at the maximum displacement position
C). the bob is at a distance equal to half the amplitude from the centre
D). none of these

Answer: the bob is at the centre


   
973). Gas thermometers are those which
A). use gases
B). work on thermal expansion of glass
C). use inert gases
D). none of these

Answer: work on thermal expansion of glass


   
974). This is the property of the Ideal gas
A). There is no force of attraction, between any two molecules
B). There is force of attraction between any two molecules
C). All molecules are static
D). Each molecule has certain volume

Answer: There is no force of attraction, between any two molecules


   
975). Microwaves are used in radar because of
A). refraction
B). reflection and high frequency
C). interference
D). diffraction

Answer: reflection and high frequency




976). To an astronaut in a spaceship the sky appears pitch dark due to
A). the absence of atmosphere in his neighborhood
B). light from the sky is absorbed by the medium surrounding him
C). the fact that at that height, sky radiation contains only infra red and the ultraviolet
D). none of these

Answer: the absence of atmosphere in his neighborhood


   
977). Light appears to travel in straight line. This is due to its
A). long wavelength
B). short wavelength
C). small velocity
D). large diffraction

Answer: short wavelength


   
978). Madam cutie became famous for her discovery of
A). Insulin
B). Penicillin
C). Radium
D). Cobalt

Answer: Radium


   
979). Two tuning forks have same natural frequency. One of them is loaded with wax. when they are sounded together, they will
A). produce beats
B). remain in resonance
C). produce forced vibration
D). produce Interference

Answer: produce beats


   
980). Cathode ray oscilloscope is used to
A). produce cathode rays
B). produce positive rays
C). study wave forms
D). study about electrons

Answer: study wave forms