Some Natural Phenomena Test

Result

Some Natural Phenomena Test - 9

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Weekly Quiz Competition

Question 1
1 / -0

A lightning conductor is made up of:

A
copper

B
glass

C
ebonite

D
wood

Solution

The main attribute common to all lightning rods is that they are all made of conductive materials, such as copper and aluminum. Copper and its alloys are the most common materials used in lightning protection.
A lightning conductor is a metal rod or strap connecting the highest point on a building to the earth. Its purpose is to protect the building from a damaging discharge of electricity between the atmosphere and the building, that is, a lightning strike.
Question 2
1 / -0

Suppose you are in a car and it is raining heavily with thunderstorms. Then what is the best way to protect yourself from a possible thunder-strike?

A
To remain in the car

B
To get out of the car and take cover under the car

C
To run to a nearby tree

D
To get out and stand under an electric pole

Solution

The best way to protect oneself from a possible thunder-strike is to remain in the car with the doors and windows closed. The car touches the earth through the rubber tyres which are insulators. So, the thunder is not attracted by the car as it does not liberate any charge in the air due to insulated connection to the earth.
For all other cases, there are chances of thunder-strike.
Question 3
1 / -0

Which of the following is safest way to protect yourself from lightning?

A
Run to an open field

B
Open an umbrella for cover

C
Take shelter under trees

D
Squat low on ground

Solution

Squat low on ground is safest way to protect yourself from lightning as lighting usually discharges through tall structures on the ground.
Question 4
1 / -0

When you touch a charged body, the charge flows through you into the earth. This is called

A
induction

B
conduction

C
capacitance

D
earthing

Solution

$$Answer:-$$ D
when a wire connecting circuit is connected to earth than it is known as earthing, if you touch circuit actually you behave like that wire and entire charge passes through your body and you will feel shock. Human body is good conductor of electricity.
Question 5
1 / -0

A thunderstorm is generally accompanied by:

A
Lightning

B
Earthquake

C
Fire

D
Mild breeze
Question 6
1 / -0

In which of the following states of India, earthquake is most likely to occur?

A
Gujarat

B
Chhattisgarh

C
Tamil Nadu

D
Kerala

Solution

In India, the seismic or fault zones lie below Kashmir, Western and Central Himalays, North-East, Runn of Kutch and Indo-gangetic plane. So, among the options provided, earthquake is most likely to occur in Gujarat.
Question 7
1 / -0

Magnitude of earthquake is measured in:

A
Electroscope

B
Richter scale

C
Meter scale

D
Coulomb

Solution

The Richter scale measures the magnitude of an earthquake (how powerful it is). It is measured using a machine called a seismometer which produces a seismograph. A Richter scale is normally numbered 1-10, though there is no upper limit.
Question 8
1 / -0

If earthquake strikes while you are in your bedroom, you should:

A
move under the bed.

B
sit on the bed.

C
stand by the side of the bed.

D
jump on the bed.

Solution

While in bedroom, if earthquake strikes, one should move under the bed. This will help one from surviving from collapsing roof.
Question 9
1 / -0

During an earthquake, it is always advisable to:

A
Stay at the ground floor of a building.

B
Move to the top floor of a tall building.

C
Stay in open area.

D
Stand under a big tree.

Solution

During an earthquake, it is always advisable to stay in an open area. Taking shelter under a building or a tree may prove very risky as during a high tremor, buildings may collapse and large trees may be uprooted.
Question 10
1 / -0

The term used to describe a fracture along the earth's crust is

A
aftershock

B
fault

C
focus

D
tremor

Solution

Answer is B.

The fracture along blocks of crust (tectonic plates) is called a fault or fault line.

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Re-Attempt Weekly Quiz Competition

Some Natural Phenomena Test - 9

Result

Some Natural Phenomena Test - 9

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SHARING IS CARING

Question 1

copper

glass

ebonite

wood

Solution

Question 2

To remain in the car

To get out of the car and take cover under the car

To run to a nearby tree

To get out and stand under an electric pole

Solution

Question 3

Run to an open field

Open an umbrella for cover

Take shelter under trees

Squat low on ground

Solution

Question 4

induction

conduction

capacitance

earthing

Solution

Question 5

Lightning

Earthquake

Fire

Mild breeze

Question 6

Gujarat

Chhattisgarh

Tamil Nadu

Kerala

Solution

Question 7

Electroscope

Richter scale

Meter scale

Coulomb

Solution

Question 8

move under the bed.

sit on the bed.

stand by the side of the bed.

jump on the bed.

Solution

Question 9

Stay at the ground floor of a building.

Move to the top floor of a tall building.

Stay in open area.

Stand under a big tree.

Solution

Question 10

aftershock

fault

focus

tremor

Solution

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