TNPSC Group 2 Mains FREE Materials
Download TNPSC Group 2 Mains Exam – FREE Materials as PDF from Veranda Race TNPSC
41) What is the conductivity of super conductor?
Infinite
42) What is the resistance of an ideal voltmeter?
Infinite
43) Magnetic Keeper are the pieces of?
Soft Iron
44) Not Gate can be operated by?
Single transistor
45) The metal used in wires at domestic Level: Copper
46) During electro refining, Pure Metal is collected at?
Cathode
47) A Conducting wire is?
Neutral
48) The process of connecting of wires is called: Combination
49) In the resistance Colour code, the fourth band signifies: Tolerance level
50) Water should not be used to extinguish fire caused by Electricity, because?
It may cause electrocution
51) Which alloy ia used for making permanent magnet?
Alnico
52) Which electromagnetic radiation is most prevalent in the atmosphere?
Infrared
53) Which instrument meant for measuring the rate of respiration?
Respirometer
54) How are the temperatures in equatorial regions between July and January?
The same
55) By which can Foetus development in woman’s womb be ascertained?
By Ultrasound
56) Medicines are more effective, if they are used in which state?
Colloidal state
57) Kirchhoff’s voltage law is based on the law of conservation of which thing?
Energy
58) A convex lens of glass has power P in air. If it is immersed in water, what will be its power?
Less than P
59) Which phenomena is used in optical fibres?
Total internal reflection
60) If the earth were to skin faster, how does acceleration due to gravity at the poles?
Remains the same
61) Retina of the eye is comparable to which part of a traditional camera?
Lens
62) If we move from the equator to a pole, what will be the value of g?
Increases
63) What does TV remote control unit use to operate a TV set?
Radio waves
64) Which glass is used in bullet proof screens?
Reinforced glass
65) Rutherford’s scattering experiment related to the size of which thing?
Nucleus
66) It a spoon is to be electroplated with nickel the spoon is?
Made spoon cathode and pure nickel rod anode
67) The threshold frequency is the frequency below which?
Photoelectric emission is not possible
68) Soldering of two metals is possible due to the property?
Cohesion
69) Rate of cooling depends upon which factor?
Temperature difference between body and its surrounding
70) Why clouds are float in atmosphere?
Low density
71) Cryogenic Science is related to?
Lower temperature
72) Ice is packed in sawdust because?
Sawdust is a poor conductor of Heat
73) What is the motion which repeated in self after a regular interval of time?
Simple harmonic motion
74) When water freezes its density is?
Decreases
75) Ball pen act on the principle of?
Gravitation
76) What is the growth movement in plant due to light called?
Phototropism
77) Foucault experiment is proof of which body?
Rotation of Earth
78) In which the radiant energy of the sun is transmitted?
Short waves
79) When can one record the lowest temperature of air?
Just before sunrise
80) What happens when the water content in the atmosphere?
Decreases as temperature increases
Download TNPSC Group 2 Mains Exam – FREE Materials as PDF from Veranda Race TNPSC
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