Some Natural Phenomena Test

Result

Some Natural Phenomena Test - 2

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Weekly Quiz Competition

Question 1
1 / -0

When we rub glass rod with fur, the glass rod will acquire

A
Positive charge

B
Negative charge

C
Either positive or negative charge

D
Neither positive nor negative charge
Question 2
1 / -0

Consider the following statements and select the correct option which correctly identifies true (T) and false (F).

(i) A charged object can attract something that is neutral.
(ii) An atom that gains electrons becomes positively charged.
(iii) Charges are only transferred from one body to another.

A

(i) (ii) (iii)

T F T

B

(i) (ii) (iii)

F T F

C

(i) (ii) (iii)

F F T

D

(i) (ii) (iii)

T T F

Solution

An atom that gains electron is negatively charged.
Question 3
1 / -0

Read the given statements and select the correct option.

Statement 1: It is easier to generate static electricity on cold, dry winter days than on warm, humid days.

Statement 2: Moisture present in the air carries away charges from the charged surface.

A
Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.

B
Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.

C
Statement 1 is true but statement 2 is false.

D
Both statements 1 and 2 are false.
Question 4
1 / -0

Which of the following statements is incorrect?

A
The lithosphere floats on the mantle.

B
Earthquakes occur along the boundaries of tectonic plates.

C
The tectonic plates meet at fault lines.

D
Earth's crust is made up of molten rocks.

Solution

Lithosphere is the thinnest layer and made up of molten rocks. The crust is the layer of hard rock that float on the molten mantle.
Question 5
1 / -0

If air and cloud were good conductor of electricity then

A
A lightning could occur with high intensity

B
Lightning could occur with lower intensity

C
Lightning could not occur at all

D
None of these

Solution

The charge separation cannot take place in conductors. Therefore charges will not accumulate on clouds and so lightning cannot take place.
Question 6
1 / -0

Which of the following is the best thing to do during heavy lightning?

A
Lying on the ground in an open place

B
Going into the nearest water body

C
Staying indoors away from metallic doors or windows

D
Standing under a tall tree

Solution

During heavy lightning, it is safe to stay indoors away from metallic doors or windows.

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Re-Attempt Weekly Quiz Competition

(i)	(ii)	(iii)
T	F	T

(i)	(ii)	(iii)
F	T	F

(i)	(ii)	(iii)
F	F	T

(i)	(ii)	(iii)
T	T	F

Some Natural Phenomena Test - 2

Result

Some Natural Phenomena Test - 2

Score

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Rank

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SHARING IS CARING

Question 1

Positive charge

Negative charge

Either positive or negative charge

Neither positive nor negative charge

Question 2

(i) (ii) (iii) T F T

(i) (ii) (iii) F T F

(i) (ii) (iii) F F T

(i) (ii) (iii) T T F

Solution

Question 3

Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.

Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.

Statement 1 is true but statement 2 is false.

Both statements 1 and 2 are false.

Question 4

The lithosphere floats on the mantle.

Earthquakes occur along the boundaries of tectonic plates.

The tectonic plates meet at fault lines.

Earth's crust is made up of molten rocks.

Solution

Question 5

A lightning could occur with high intensity

Lightning could occur with lower intensity

Lightning could not occur at all

None of these

Solution

Question 6

Lying on the ground in an open place

Going into the nearest water body

Staying indoors away from metallic doors or windows

Standing under a tall tree

Solution

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(i) (ii) (iii)

T F T

(i) (ii) (iii)

F T F

(i) (ii) (iii)

F F T

(i) (ii) (iii)

T T F