8th Standard Syllabus & Materials
8th Standard
Tamilnadu 8th Standard роХрогро┐родроорпН роЗропро▒рпНроХрогро┐родроорпН Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard роХрогро┐родроорпН роОрогрпНроХро│рпН Important Questions And Answers Study Material - QB365 Set B
NEW8th Standard
Tamilnadu 8th Standard роХрогро┐родроорпН роОрогрпНроХро│рпН Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
Tamilnadu 8th Standard Social Science рокрпКро░рпБро│ро┐ропро▓рпН - рокрпКродрпБ рооро▒рпНро▒рпБроорпН родройро┐ропро╛ро░рпН родрпБро▒рпИроХро│рпН Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard Social Science роХрпБроЯро┐роорпИропро┐ропро▓рпН - роирпАродро┐родрпНродрпБро▒рпИ Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard Social Science роХрпБроЯро┐роорпИропро┐ропро▓рпН - рокро╛родрпБроХро╛рокрпНрокрпБ рооро▒рпНро▒рпБроорпН ро╡рпЖро│ро┐ропрпБро▒ро╡рпБроХрпН роХрпКро│рпНроХрпИ Important Questions And Answers Study Material - QB365
Published on: 11/12/2020
8th Standard Science Light English Medium Free Online Test 1 Mark Questions with Answer Key 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.
The refractive index of water is
1.0
1.33
1.44
1.52
7.
If the focal length of a spherical mirror is 10 cm, what is the value of its radius of curvature?
10 cm
5 cm
20 cm
15 cm
8.
The distance from the pole to the focus is called
Pole length
focal length
principal axis
None of the above
9.
The spherical mirror used as a rear view mirror in the vehicle is
concave mirror
convex mirror
plane mirror
None of the above
10.
The spherical mirror with a reflecting surface curved inward is called
convex mirror
concave mirror
curved mirror
None of the above
1.
(a)
increase
2.
(d)
normal
3.
(a)
Convex mirror
4.
(b)
Concave mirror
5.
(c)
Plane mirrors
6.
(b)
1.33
7.
(c)
20 cm
8.
(b)
focal length
9.
(b)
convex mirror
10.
(b)
concave mirror
8th Standard Syllabus & Materials
8th Standard
Tamilnadu 8th Standard Social Science рокрпБро╡ро┐ропро┐ропро▓рпН - рокрпБро╡ро┐рокрпНрокроЯроЩрпНроХро│рпИроХрпН роХро▒рпНро▒ро▒ро┐родро▓рпН Important Questions And Answers Study Material - QB365
NEW8th Standard
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NEW8th Standard
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NEW8th Standard
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Tamilnadu Stateboard 8th Standard Subjects
Tamilnadu Stateboard Standards
