51)

Which of the following combinations of measures of quantity and unit is NOT a correct match?

SSC CHSL 2021

A)

Weight - Cubic metre

B)

Temperature - Kelvin

C)

Pressure - Pascal

D)

Mass - Kilogram

52)

What is the SI unit for measuring pressure?

SSC CHSL 2021

A)

Pascal

B)

Candela

C)

Kelvin

D)

Ampere

53)

Which of the following is a vector quantity?

SSC CHSL 2021

A)

Electric current

B)

Electric flux

C)

Electric field

D)

Electric charge

54)

The inertia of an object is measured by its ______.

SSC CHSL 2021

A)

volume

B)

speed

C)

area

D)

mass

55)

Heat, in ______, is a type of energy transfer from a warmer substance to a colder one.

SSC CHSL 2021

A)

magnet

B)

friction

C)

thermodynamics

D)

gravity

56)

Which everyday morning ritual is part of quantum mechanics?

SSC CHSL 2021

A)

Brushing teeth

B)

Ringing of an alarm clock

C)

Making tea

D)

Reading newspaper

57)

A mass of snow and ice that moves slowly under the influence of gravity along a confined course away from its place of accumulation is called a _______.

SSC CHSL 2021

A)

glacier

B)

plateau

C)

lagoon

D)

block mountain

58)

Who among the following introduced the concept of electric field for the first time?

SSC CHSL 2021

A)

Blaise Pascal

B)

Michael Faraday

C)

Charles Augustin de Coulomb

D)

Joseph Henry

59)

What is the total charge of an electric dipole?

SSC CHSL 2021

A)

0

B)

-10

C)

+1

D)

10

60)

What does LED stand for?

SSC CHSL 2021

A)

Light Efficient Device

B)

Light Emitting Decorder

C)

Light Energy Device

D)

Light Emitting Diode