Login
Login
Sign up
Start
Mathmania
Teacher tutorials
TOP
Subjects
Bridge Course
Testworks
Subject updates
Ya+
News
Send feedback
See more
Contacts
About Us
Terms and Conditions
Privacy Policy
PDF chapter test
TRY NOW
Subjects
Science CBSE
Class 9 New
Journey inside the atom
Pumpa Practice Questions
3.
Cathode and canal rays
Exercise condition:
1
m.
Give
the
best answer
:
Assertion (A):
Cathode rays are streams of negatively charged particles.
Reason (R):
They are attracted toward the negative plate in an electric field.
A is true but R is false
Both A and R are true but R is not the correct explanation of A
Both A and R are true and R is correct explanation of A
A is false but R is true
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!