GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 128

GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 128

1271). A moving coil galvanometer can be converted into an ammeter by connecting
A). a low resistance in parallel with a galvanometer
B). a high resistance in parallel with a galvanometer
C). a high resistance in series with a galvanometer
D). a low resistance in series with a galvanometer

Answer: a low resistance in parallel with a galvanometer


   
1272). The resolving power of a telescope is highest for
A). Blue light
B). Green light
C). Yellow light
D). Red light

Answer: Blue light


   
1273). If the total energy of a particle is thrice its rest energy, the then velocity of the particle is, (c - velocity of light)
A). c / 3
B). 2c / 3
C). 2√2c / 3
D). √2c / 3

Answer: 2√2c / 3



   
1274). When the polarising angle for a dense flint glass is 60°30', then its refractive index is ......
A). 1.333
B). 1.541
C). 1.627
D). 1.768

Answer: 1.768


   
1275). Electro magnetic waves were proposed by
A). Newton
B). Maxwell
C). Huygens
D). Planck

Answer: Maxwell



1276). One tesla is
A). amp - m^2
B). weber
C). ampere turns - m^−1
D). weber - m^−2

Answer: weber - m^−2



   
1277). The experiment to measure de Broglie wavelength was first carried out by .......
A). Rutherford
B). Bohr
C). Davisson Germer
D). Albert Einstein

Answer: Davisson Germer


   
1278). The uncertainty principle was proposed by
A). de Broglie
B). Maxwell
C). Thomson
D). Heisenberg

Answer: Heisenberg


   
1279). Venturimeter is used to measure
A). fluid velocity
B). fluid surface tension
C). fluid temperature
D). fluid density

Answer: fluid velocity


   
1280). Which one of the following is correctly matched
A). Dempster's mass spectrograph - Masses of isotopes
B). Cathode ray oscilloscope - Masses of atom
C). Coolidge tube - Solar spectrum
D). Cyclotron - Thermal conductivity

Answer: Dempster's mass spectrograph - Masses of isotopes