A boy starts from a point A, travels to a point B at a distance of 3 km from A and returns to A. If he takes two hours to do so, his speed is
Anonymous Quiz
29%
3
31%
0
33%
2
7%
1
😁4
A 180 metre long train is moving due north at a speed of 25 m/s. A small bird is flying due south, a little above the train, with a speed of 5 m/s. The time taken by the bird to cross the train is
Anonymous Quiz
19%
10
42%
12
27%
9
12%
6
🔥5😁1🤩1
Which one of the following is the unit of velocity?
Anonymous Quiz
10%
Kilogram
70%
M/s
14%
Meter
6%
Gram
🥰1😁1
body starts from rest and travels with an acceleration of 2 m/s². After t seconds its velocity is 10 m/s . Then t is
Anonymous Quiz
22%
10
47%
5
15%
6
15%
20
🔥1🥰1🤔1
The change in velocity corresponding to the time interval within which the change has accelerated is known as _________________
Anonymous Quiz
20%
Speed
37%
Instant velocity
17%
Uniform motion
26%
Average accleration
👍2
Which among the following can be zero when a particle is in motion for some time.
Anonymous Quiz
9%
Speed
42%
Force
44%
Displacement
4%
Time
🥰2
The ratio of the average velocity and average speed of a body is
Anonymous Quiz
20%
1
44%
More than1
29%
Less than 1
8%
1 or less than 1
👏3
🤩1
National Botanical Research Institute is located in
Anonymous Quiz
21%
Kanpur
22%
Banaras
53%
Lucknow
4%
Meerut
👍4👏1😁1🤔1
Forwarded from Shubham Jha - Class 7 & 8
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👍3
Azimuthal quantum number determines the
Anonymous Quiz
22%
Size
32%
Spin
23%
Orientation
23%
Angular momentum orbital
👍2
In chromium atom, in ground state, the number of occupied orbitals is
Anonymous Quiz
15%
14
38%
15
35%
16
12%
17
🥰2
Who is father of experimental physics
Anonymous Quiz
38%
Newton
28%
Gallio
21%
Rutherford
13%
👀mai nhi batugya
😁2
The branch of science which deal with natural and phenomenon science
Anonymous Quiz
23%
Botony
19%
Zoology
50%
Physcis
8%
Chemistry
🤩2