GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 045

GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 045

441). The electric charge is stored in a device called
A). Inductor
B). Capacitor
C). Resistor
D). Transformer

Answer: Capacitor


   
442). Consider the following parts of spectra :
1. Visible
2. Infrared
3. Ultraviolet
4. Microwave
Which one of the following is the correct sequence in which their wavelengths increase?
A). 4-3 1-2
B). 4-1 2 3
C). 3 2 1-4
D). 3 1-2 4

Answer: 4-3 1-2


   
443). Propagation of light quanta may be described by
A). Photons
B). Protons
C). Neutrons
D). Electrons

Answer: Photons


   
444). Which one of the following is not electromagnetic in nature?
A). Cathode-rays
B). X rays
C). Gamma-rays
D). Infrared-rays

Answer: Cathode-rays


   
445).

Which one of the following is the value of current I in th circuit shown above>
A). 5A
B). 10A
C). 15A
D). 20A

Answer: 15A



446). A long Jumper runs before jumping because he
A). covers a greater distance
B). maintains momentum conservation
C). gains energy by running
D). gains momentum

Answer: gains momentum


   
447). Which among the following is the necessary condition for Simple harmonic motion?
A). Constant period
B). Constant acceleration
C). Displacement and acceleration are proportional
D). Displacement and torque are proportional

Answer: Displacement and acceleration are proportional


   
448). Consider the following four particles :
1. Alpha particle
2. Proton
3. Electron
4. Neutron
Which of the following is the correct sequence in which their rest-masses increase?
A). 3-4-2-1
B). 4-2-3-1
C). 3-2-4-1
D). 2-3-1-4

Answer: 3-2-4-1


   
449). If an ?-particle is projected normally through a uniform magnetic field, then the path of the ?-particle inside the field will be
A). circular
B). parabolic
C). elliptic
D). a straight line

Answer: circular


   
450). How far must a girl stand in front of a concave Spherical mirror of radius 120 cm to see an erect image of her face four times its natural size?
A). 40 cm from the mirror
B). 45 cm from the mirror
C). 50 cm from the mirror
D). 55 cm from the mirror

Answer: 45 cm from the mirror