| ⇦ | 
| ⇨ |
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: - The ionisation energy of hydrogen is 13.6 eV. The energy of the photon released
- The innermost orbit of hydrogen atom has a diameter 1.06Å. The diameter of tenth
- Water rises in a vertical capillary tube up to a height of 2.0 cm.
- A neutron is moving with a velocity u.It collides head on and elastically with an atom
- If liquid level falls in a capillary then radius of capillary will be
Topics: Work Energy and Power
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The ionisation energy of hydrogen is 13.6 eV. The energy of the photon released
- The innermost orbit of hydrogen atom has a diameter 1.06Å. The diameter of tenth
- Water rises in a vertical capillary tube up to a height of 2.0 cm.
- A neutron is moving with a velocity u.It collides head on and elastically with an atom
- If liquid level falls in a capillary then radius of capillary will be
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