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What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?
Options
(a) 4 : 5
(b) 7 : 9
(c) 16 : 25
(d) 1 : 1
Correct Answer:
7 : 9
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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- A boy playing on the roof of a 10m high building throws a ball with a speed
- The first line in Lyman series has wavelength λ. The wavelength
- For principal quantum number n=3, the possible values of orbital quantum number
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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By using,
Snth=u+a/2 (2n-1)=0+a/2 (2×4-1)=7a/2
Again,s=u+a/2 (2n-1)=0+a/2 (2×5-1)=9a/2
Now,S1:S2=7a/2:9a/2=7:9