| ⇦ | 
| ⇨ |
A boy standing at the top of a tower of 20m height drops a stone. Assuming g = 10 ms⁻², the velocity with which it hits the ground is
Options
(a) 10 m/s
(b) 20 m/s
(c) 40 m/s
(d) 5 m/s
Correct Answer:
20 m/s
Explanation:
Here, u= 0 We have, v² = u² + 2gh
v = √(2gh) ⇒ √(2 x 10 x20)
= 20 m/s
Related Questions: - There is a ring of radius r having linear charge densityλ and rotating with a uniform
- Two slits in Young’s experiment have widths in the ratio 1:25. The ratio of intensity
- In a uniform circular motion,
- Which of the following is suitable for the fusion process?
- The lowest frequency of light that will cause the emission of photoelectrons
Topics: Motion in Straight Line
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- There is a ring of radius r having linear charge densityλ and rotating with a uniform
- Two slits in Young’s experiment have widths in the ratio 1:25. The ratio of intensity
- In a uniform circular motion,
- Which of the following is suitable for the fusion process?
- The lowest frequency of light that will cause the emission of photoelectrons
Topics: Motion in Straight Line (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply