Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Questions
>>
JEEMAIN and NEET
>>
JEEMAIN PAST PAPERS
>>
2000
Next similar question
Answer
Comment
Share
Q)
The energy of an X-ray photon of wavelength
1.65
˚
A
is : (
h
=
6.6
×
10
−
34
J
s
,
c
=
3
×
10
8
m
s
−
1
,
1
e
V
=
1.6
×
10
−
19
J
)
( A )
3.5
k
e
V
( B )
5.5
k
e
V
( C )
9.5
k
e
V
( D )
7.5
k
e
V
Share
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
Next Similar Question >
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...
Please Wait