Login
Login
Register
Questions
Unanswered
Tags
Categories
Ask a Question
Ask a Question
Which is not a source of ultraviolet radiations? (a) Sun (b) Arc lamp (c) Electric heater
+2
votes
asked
Feb 22, 2019
in
Class 10
by
kratos
Which is not a source of ultraviolet radiations?
(a) Sun
(b) Arc lamp
(c) Electric heater
(d) Star
electromagnetic waves
class-10
spectrum
icse
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
+2
votes
answered
Sep 11, 2020
by
kratos
Best answer
(c) Electric heater
Please
log in
or
register
to add a comment.
No related questions found
