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Q 1/25
Score 0
Elsa is sitting very still on a chair. But Jose claims that Elsa is actually moving. Jose is true if the point of reference is the __________.
30
chair
Earth
floor
Sun
Q 2/25
Score 0
Which of the following statements is TRUE? I. The distance travelled by an object can be equal to its displacement.
II. The displacement of a moving object can be greater than its distance travelled.
30
both I and II
II
I
none is considered true
25 questions
Q.
Elsa is sitting very still on a chair. But Jose claims that Elsa is actually moving. Jose is true if the point of reference is the __________.
1
30 sec
S7FE-IIIa-1
Q.
Which of the following statements is TRUE? I. The distance travelled by an object can be equal to its displacement.
II. The displacement of a moving object can be greater than its distance travelled.
2
30 sec
S7FE-IIIa-1
Q.
Which of the following is true about an object that travels 5 meters to the left, then 2 meters up, then another 5 meters to the right?
3
30 sec
S7FE-IIIa-1
Q.
Anne walked 300 m East from home to visit Marie. She then walked another 400 m North to fetch Faye and both of them walked 300 m West to watch the birds . She left Faye then walked 400 m North. Which of the following statements is NOT true?
4
30 sec
S7FE-IIIa-1
Q.
What does the slope of a distance vs. time graph represent?
5
30 sec
S7FE-IIIa-1
Q.
Which of the following statements is NOT true about the object moving with constant speed?
6
30 sec
S7FE-IIIa-1
Q.
If the direction is added to speed, what quantity is formed?
7
30 sec
S7FE-IIIa-1
Q.
what does the slope of a speed vs. time graph represent?
8
30 sec
S7FE-IIIa-1
Q.
In which of the following situations is the object accelerating? I. A truck changing direction.
II. A car speeding up in a highway.
III. A moving motorcycle comes to a stop.
IV. A rolling ball moving with a uniform speed.
9
30 sec
S7FE-IIIa-1
Q.
A toy when whirled has a uniform speed and moved in a particular path. Which of the following assumption(s)is/are TRUE?
I. The toy has a uniform velocity.
II. The toy is accelerating.
10
30 sec
S7FE-IIIa-1
Q.
A boy is standing beside a tree. He walks 4 steps away from the tree, did the boy move?
11
30 sec
S7FE-IIIa-1
Q.
Which of the following is NOT a correct unit for speed?
12
30 sec
S7FE-IIIa-1
Q.
Mechanical waves transport energy from one place to another through:
13
30 sec
S7LT-IIIc-4
Q.
In __________waves, the individual particles in the medium move parallel to the direction of travel of the wave. an example of this is __________.
14
30 sec
S7LT-IIIc-4
Q.
What will happen as the frequency of a wave increases and its speed remains constant?
15
30 sec
S7LT-IIIc-4
Q.
Waves in a lake are 5.00m in length and pass anchored boat 1.25s apart. the speed of the wave is __________.
16
30 sec
S7LT-IIIc-4
Q.
Energy from the sun reaches earth through __________.
17
30 sec
S7LT-IIIc-4
Q.
Which of the following is NOT correct about waves?
18
30 sec
S7LT-IIIc-4
Q.
Which of the following statements is correct?
19
30 sec
S7LT-IIIc-4
Q.
Which of the following objects will produce sound?
20
30 sec
S7LT-IIIc-4
Q.
On which of the following will we NOT be able to hear any sound.
21
30 sec
S7LT-IIIc-4
Q.
A sound wave is a __________.
22
30 sec
S7LT-IIIc-4
Q.
The speed of sound is different in air, steel and water. Which of the following gives the correct order of speed of sound from slowest to fastest?
23
30 sec
S7LT-IIIc-4
Q.
Which of the following is NOT capable of transmitting sound?
24
30 sec
S7LT-IIIc-4
Q.
Which of the following best describes a high frequency sound? It has __________.
