61)

Which of the following is dimensionless?

SSC Selection Post Matric 2022

A)

Deforming force

B)

Longitudinal stress

C)

Longitudinal strain

D)

Shear stress

62)

Who among the following gave the concept of ‘paradox of thrift’?

SSC Selection Post Matric 2022

A)

Abhijeet Banerjee

B)

John Maynard Keynes

C)

Adam Smith

D)

Amartya Sen

63)

‘Force’ divided by ‘mass’ is equal to:

SSC Selection Post Matric 2022

A)

acceleration

B)

time

C)

displacement

D)

velocity

64)

Which of the following terms is used for stored energy that depends upon the relative position of various parts of a system?

SSC Selection Post Matric 2022

A)

Mechanical energy

B)

Potential energy

C)

Kinetic energy

D)

Thermal energy

65)

What is the full form of LED, which are among the most widely used of all the different types of semiconductor diodes available today and are commonly used in TV and colour displays?

SSC Selection Post Matric 2022

A)

Light Emitting Diode

B)

Light Emanating Diode

C)

Light Energy Diode

D)

Light Emersion Diode

66)

The technology of production of ultra-high magnetic fields is based on which of the following scientific principles?

SSC Selection Post Matric 2022

A)

Digital logic

B)

Light amplification by stimulated emission of radiation

C)

 Photoelectric effect

D)

Superconductivity

67)

Which of the following devices is used for measuring distance?

SSC Selection Post Matric 2022

A)

Gnomon

B)

Odometer

C)

Manometer

D)

Pyrometer

68)

The difference in temperature between two bodies is 30 degree centigrade. What is the difference in degree Fahrenheit?

SSC CPO 2020

A)

54

B)

86

C)

72

D)

64

69)

Which one among the following measures the same quantity as that is measured by the SI unit ‘pascal’?

SSC CPO 2020

A)

Joule

B)

Torr

C)

Newton

D)

Watt

70)

In the context of ocean energy conversion, ‘T’ in OTEC stands for:

SSC CPO 2020

A)

Thermodynamic

B)

Technological

C)

Thermal

D)

Tidal