Physics One-liner 1: SSC CGL CHSL MTS Free Study Materials PDF

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