| ⇦ | 
| ⇨ |
A force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m. The power of the source is
Options
(a) 20 W
(b) 25 W
(c) 40 W
(d) 50 W
Correct Answer:
20 W
Explanation:
Velocity, v = displacement / time = 6/3 = 2 m/s
.·. Power, P = Fv = 10 × 2 = 20 W
Related Questions: - If the angle of minimum deviation is 60° for an equilateral prism, then the refractive
- If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be
- A concave mirror of focal length f₁ is placed at a distance d from a convex lens
- A leaf which contains only green pigments is illuminated by a laser light
- In which case positive work has to be done in seperating them?
Topics: Work Energy and Power
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If the angle of minimum deviation is 60° for an equilateral prism, then the refractive
- If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be
- A concave mirror of focal length f₁ is placed at a distance d from a convex lens
- A leaf which contains only green pigments is illuminated by a laser light
- In which case positive work has to be done in seperating them?
Topics: Work Energy and Power (94)
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