In the Bohrs model of the hydrogen atom, the ratio of the kinetic energy to the total energy of the electron in a quantum state n is:
Anonymous Quiz
20%
1
48%
-1
29%
2
3%
-2
👍1🥰1
😁4😢4👍2
उठो, मेहनत करो..🔥 Best Powerful Study Motivational Line 📝 For Students || Motivational video
https://youtu.be/Oyj9MQ3tFJ8
https://youtu.be/Oyj9MQ3tFJ8
The displacement in metres of a body varies with time t in second as y = t2 – t – 2. The displacement is zero for a positive of t equal to
Anonymous Quiz
16%
1
45%
2
29%
3
10%
4
🥰1
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
If you want daily newspaper and update the join this channel
Link - https://t.me/EasyLearningbyShubhamJha
Link - https://t.me/EasyLearningbyShubhamJha