8th Standard Syllabus & Materials
8th Standard
TN 8th Tamil இயல் 3 - கல்வி கரையில - வினைமுற்று Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை - மயங்கொலிகள் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை -பட்டமரம் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை - இயற்கையை போற்றுவோம் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 1 - தமிழ் இன்பம் - ஆழிக்கு இணை Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2-ஈடில்லா இயற்கை - திருக்குறள் Important Questions And Answers Study Material - QB365 Set A
Published on: 11/12/2020
8th Standard Science Light English Medium Free Online Test 1 Mark Questions 2020-2021
Download Tamil Nadu 8th Standard Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Science Test1.
When the angle of inclination decreases the number of images formed _________
increase
decreases
remain same
none of the above
2.
An imaginary line perpendicular to the reflecting surface is called
imaginary line
curved line
Perpendicular line
normal
3.
In which mirror the following statement is labeled?
Convex mirror
Concave mirror
Plane mirror
Spherical mirror
4.
Mirrors which magnify the object placed close to them.
Convex mirror
Concave mirror
Plane mirror
ellipsoid mirror
5.
__________ form the perfect image of an object
Spherical mirrors
Parabolic mirrors
Plane mirrors
Cylindrical mirrors
6.
If the image and object distance is same, then the object is placed at
infinity
at F
between f and P
at C
7.
Focal length is equal to half of the
centre of curvature
axis
radius of curvature
None of the above
8.
The imaginary line passing through the centre of curvature and pole of a spherical mirror is called
centre of curvature
pole
principal axis
radius curvature
9.
The centre of a sphere of which the reflecting surface of a spherical mirror is a part is called
pole
centre of curvature
cradius of curvature
aperture
10.
Which of the following has curved reflecting surface?
plane mirrors
spherical mirrors
simple mirrors
None of the above
1.
(a)
increase
2.
(d)
normal
3.
(a)
Convex mirror
4.
(b)
Concave mirror
5.
(c)
Plane mirrors
6.
(d)
at C
7.
(c)
radius of curvature
8.
(c)
principal axis
9.
(c)
cradius of curvature
10.
(b)
spherical mirrors
8th Standard Syllabus & Materials
8th Standard
TN 8th Tamil இயல் 3 - கல்வி கரையில - பாடறிந்து ஒழுகுதல் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 3-கல்வி கரையில - பல்துறைக் கல்வி Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 3-கல்வி கரையில - புத்தியைத் தீட்டு Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
TN 8th Tamil இயல் 2 - ஈடில்லா இயற்கை - தமிழர் மருத்துவம் ( நேர்காணல்) Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 8th Standard Subjects
Tamilnadu Stateboard Standards
