Ask a Question

A room is illuminated by an extended source. The illuminance at a particular portion of a wall can be increased by (a) moving the source

← Prev Question Next Question →
0 votes
21 views
asked Mar 29, 2018 in Physics by shabnam praween (19,050 points) ● 5 ● 6 ● 8
A room is illuminated by an extended source. The illuminance at a particular portion of a wall can be increased by

(a) moving the source

(b) rotating the source

(c) bringing some mirrors in proper positions

(d) changing the colour of the source.

1 Answer

0 votes
answered Mar 29, 2018 by santoshjha (25,550 points) ● 4 ● 5 ● 6
selected Mar 30, 2018 by Vikash Kumar
 
Best answer
(a) moving the source

(b) rotating the source

(c) bringing some mirrors in proper positions

(d) changing the colour of the source.
← Prev Question Next Question →

Related questions

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

One Thought Forever

“There is a close connection between getting up in the world and getting up in the morning.“
– Anon
~~~*****~~~

Related questions

© 2017 Sarthaks eConnect
Managed by Sarthaks Digitizing India
...