| ⇦ | 
| ⇨ |
A point source is kept at a distnace 1000m has an illumination I. To change the illumination to 16I, the new distance should become
Options
(a) 250 m
(b) 500 m
(c) 750 m
(d) 800 m
Correct Answer:
250 m
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - An engine pumps water continuously through a hose. Water leaves the hose
- The kinetic energy of particle moving along a circle of radius R depends
- Two point charges +2 coulomb and +10 coulomb repel each other with a force of 12 N.
- A bucket full of water is revolved in a vertical circle of 2m
- According to Bohr model of hydrogen atom, only those orbits are permissible
Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An engine pumps water continuously through a hose. Water leaves the hose
- The kinetic energy of particle moving along a circle of radius R depends
- Two point charges +2 coulomb and +10 coulomb repel each other with a force of 12 N.
- A bucket full of water is revolved in a vertical circle of 2m
- According to Bohr model of hydrogen atom, only those orbits are permissible
Topics: Wave Optics (101)
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