subject
Physics, 24.02.2021 01:00 lemonsalt9378

a lamp radiating uniformly with a luminous intensity of 200cd 3 m above the centre of a room of dimensions 8 m .calculate the illuminance at a part in a corner at floor level​

ansver
Answers: 2

Another question on Physics

question
Physics, 22.06.2019 02:30
Mass (kg) force (n) 5 25 10 50 15 75 20 100 a student was trying to find the relationship between mass and force. he placed four different masses on a table and pulled them using a spring scale. the table shows the different masses used in the experiment and the force required to pull each mass. the student concluded that more force was required to pull heavier objects. what comment would you make regarding his conclusion? a) no clear relation can be observed between mass and force from the data. b) there is a direct proportion between the mass and force listed in the table. c) gravity should have been taken into account while performing the experiment. d) there is an inverse proportion between the mass and force listed in the table.
Answers: 2
question
Physics, 22.06.2019 09:00
Connie has $660,000 she wants to save. if the fdic insurance limit per depositor, per bank, is $250,000, which of these way is distributing her money between three banks will guarantee that all of her money is insured ?
Answers: 3
question
Physics, 22.06.2019 09:30
Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.
Answers: 1
question
Physics, 22.06.2019 16:30
Place several e-field sensors at a few points on different equipotential lines, and look at the relationship between the electric field and the equipotential lines. which statement is true? 1-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of higher voltages. 2-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of lower voltages. 3-at any point, the electric field is parallel to the equipotential line at that point.
Answers: 1
You know the right answer?
a lamp radiating uniformly with a luminous intensity of 200cd 3 m above the centre of a room of dime...
Questions
question
Mathematics, 23.07.2019 05:30
question
Mathematics, 23.07.2019 05:30
question
Mathematics, 23.07.2019 05:30
Questions on the website: 13722362