Structure Of Earth

Question 1

What is the initial temperature of earth and age of Earth?

Answer 1

It is 6000°C, and four point 5 billion years ago

Question 2

What causes the increase of the pressure and temperature inside the Earth?

Answer 2

It is due to the presence of radiative materials, which increases the pressure and temperature

Question 3

What are the sequential arrangement of earth below the Earth surface?

Answer 3

Crust, mantle, core

Question 4

What is the outermost layer of the earth?

Answer 4

Crust

Question 5

What is the name of element which is abundant in the crust?

Answer 5

SIAL that is silica and aluminium

Question 6

What are the two types of crust?

Answer 6

Oceanic crust which is thin, and it is 5 km in length and oceanic crust, continental crust which is 35 km in in length?.

Question 7

What is the name of the element present in the mantle?

Answer 7

Silica and magnesium – SIME

Question 8

What are the types of mantle?

Answer 8

Upper mantle is known as the lithosphere. It is the upper mantle with the crust.
Asthenosphere is the weak portion of the upper mantle

Question 9

What is the radius of the core?

Answer 9

3500 km in radius

Question 10

Where is made up of heavy-metal such?

Answer 10

Nickel and I am the layer is known as NIFE. The inner core is a solid core and outer core is a molten magma.

Question 11

What is known as Conrad discontinuity?

Answer 11

The layer between continental and oceanic crust

Question 12

What is known as mohorovicicdiscontinuity?

Answer 12

This continuity separates between the trust and the upper mantle

Question 13

repati discontinuity

Answer 13

Separates the upper and lower mantle

Question 14

Guttenberg discontinuity

Answer 14

Lower mantle and outer core

Question 15

Lehman discontinuity

Answer 15

Separates the outer core from the inner core

Question 16

Earthquake occurs due to the

Answer 16

Sudden release of energy from the interior of the Earth, which is the catastrophic force

Question 17

They had quite felt point on the surface is known as

Answer 17

Epicentre

Question 18

What is the name of the point where the energy released happens?

Answer 18

FOCUS

Question 19

What are the types of seismic waves?

Answer 19

Body waves and surface waves

Question 20

What are the two types of body waves?

Answer 20

S waves and P waves

Question 21

Surface waves are measured in the form of

Answer 21

Richter

Question 22

Nature of P waves

Answer 22

Longitudinal, nature, parallel, and forms concentric rings, transfer of energy from one particle to another particle, can travel through solid and water, but there is a significant change of velocity in when there is a change in medium.

Question 23

Nature of S wave

Answer 23

Transversal and perpendicular in nature, which is mostly wave form cannot transfer from one medium to another medium.

Question 24

Shadow zones occurred between

Answer 24

103° and 142°